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Finding the Fourth Proportional to 9,998.01, 14,985.05 and 4,445.08

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Solution

The fourth proportional to 9,998.01, 14,985.05 and 4,445.08 is: 6,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.01 : 14,985.05 = 4,445.08 : x
  2. Step 2: Convert to fraction form
    9,998.01/14,985.05 = 4,445.08/x
  3. Step 3: Cross multiply
    9,998.01x = 14,985.05 × 4,445.08
  4. Step 4: Simplify right side
    9,998.01x = 66,609,711.37
  5. Step 5: Solve for x
    x = 66,609,711.37/9,998.01
  6. Step 6: Final answer
    x = 6,662.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.