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Finding the Fourth Proportional to 9,998.84, 14,998.08 and 4,071.42

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Solution

The fourth proportional to 9,998.84, 14,998.08 and 4,071.42 is: 6,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.84 : 14,998.08 = 4,071.42 : x
  2. Step 2: Convert to fraction form
    9,998.84/14,998.08 = 4,071.42/x
  3. Step 3: Cross multiply
    9,998.84x = 14,998.08 × 4,071.42
  4. Step 4: Simplify right side
    9,998.84x = 61,063,482.87
  5. Step 5: Solve for x
    x = 61,063,482.87/9,998.84
  6. Step 6: Final answer
    x = 6,107.06

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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.