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Finding the Fourth Proportional to 10,897.52, 15,038.64 and 5,929.52

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Solution

The fourth proportional to 10,897.52, 15,038.64 and 5,929.52 is: 8,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.52 : 15,038.64 = 5,929.52 : x
  2. Step 2: Convert to fraction form
    10,897.52/15,038.64 = 5,929.52/x
  3. Step 3: Cross multiply
    10,897.52x = 15,038.64 × 5,929.52
  4. Step 4: Simplify right side
    10,897.52x = 89,171,916.65
  5. Step 5: Solve for x
    x = 89,171,916.65/10,897.52
  6. Step 6: Final answer
    x = 8,182.77

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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.