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Finding the Fourth Proportional to 10,463.52, 15,697.58 and 4,916.91

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Solution

The fourth proportional to 10,463.52, 15,697.58 and 4,916.91 is: 7,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.52 : 15,697.58 = 4,916.91 : x
  2. Step 2: Convert to fraction form
    10,463.52/15,697.58 = 4,916.91/x
  3. Step 3: Cross multiply
    10,463.52x = 15,697.58 × 4,916.91
  4. Step 4: Simplify right side
    10,463.52x = 77,183,588.08
  5. Step 5: Solve for x
    x = 77,183,588.08/10,463.52
  6. Step 6: Final answer
    x = 7,376.45

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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.