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Finding the Fourth Proportional to 7,538.04, 10,387.98 and 5,017.32

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Solution

The fourth proportional to 7,538.04, 10,387.98 and 5,017.32 is: 6,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.04 : 10,387.98 = 5,017.32 : x
  2. Step 2: Convert to fraction form
    7,538.04/10,387.98 = 5,017.32/x
  3. Step 3: Cross multiply
    7,538.04x = 10,387.98 × 5,017.32
  4. Step 4: Simplify right side
    7,538.04x = 52,119,819.81
  5. Step 5: Solve for x
    x = 52,119,819.81/7,538.04
  6. Step 6: Final answer
    x = 6,914.24

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