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Finding the Fourth Proportional to 7,470.26, 10,308.88 and 4,113.01

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Solution

The fourth proportional to 7,470.26, 10,308.88 and 4,113.01 is: 5,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.26 : 10,308.88 = 4,113.01 : x
  2. Step 2: Convert to fraction form
    7,470.26/10,308.88 = 4,113.01/x
  3. Step 3: Cross multiply
    7,470.26x = 10,308.88 × 4,113.01
  4. Step 4: Simplify right side
    7,470.26x = 42,400,490.47
  5. Step 5: Solve for x
    x = 42,400,490.47/7,470.26
  6. Step 6: Final answer
    x = 5,675.90

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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.