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Finding the Fourth Proportional to 10,386.18, 14,329.98 and 7,562.52

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Solution

The fourth proportional to 10,386.18, 14,329.98 and 7,562.52 is: 10,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.18 : 14,329.98 = 7,562.52 : x
  2. Step 2: Convert to fraction form
    10,386.18/14,329.98 = 7,562.52/x
  3. Step 3: Cross multiply
    10,386.18x = 14,329.98 × 7,562.52
  4. Step 4: Simplify right side
    10,386.18x = 108,370,760.35
  5. Step 5: Solve for x
    x = 108,370,760.35/10,386.18
  6. Step 6: Final answer
    x = 10,434.13

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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.