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Finding the Fourth Proportional to 9,916.83, 14,869.98 and 4,363.74

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Solution

The fourth proportional to 9,916.83, 14,869.98 and 4,363.74 is: 6,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.83 : 14,869.98 = 4,363.74 : x
  2. Step 2: Convert to fraction form
    9,916.83/14,869.98 = 4,363.74/x
  3. Step 3: Cross multiply
    9,916.83x = 14,869.98 × 4,363.74
  4. Step 4: Simplify right side
    9,916.83x = 64,888,726.53
  5. Step 5: Solve for x
    x = 64,888,726.53/9,916.83
  6. Step 6: Final answer
    x = 6,543.29

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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.