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Finding the Fourth Proportional to 9,998.04, 13,798.98 and 5,808.72

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Solution

The fourth proportional to 9,998.04, 13,798.98 and 5,808.72 is: 8,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.04 : 13,798.98 = 5,808.72 : x
  2. Step 2: Convert to fraction form
    9,998.04/13,798.98 = 5,808.72/x
  3. Step 3: Cross multiply
    9,998.04x = 13,798.98 × 5,808.72
  4. Step 4: Simplify right side
    9,998.04x = 80,154,411.11
  5. Step 5: Solve for x
    x = 80,154,411.11/9,998.04
  6. Step 6: Final answer
    x = 8,017.01

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.