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Finding the Fourth Proportional to 9,916.73, 14,875.99 and 4,368.76

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Solution

The fourth proportional to 9,916.73, 14,875.99 and 4,368.76 is: 6,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.73 : 14,875.99 = 4,368.76 : x
  2. Step 2: Convert to fraction form
    9,916.73/14,875.99 = 4,368.76/x
  3. Step 3: Cross multiply
    9,916.73x = 14,875.99 × 4,368.76
  4. Step 4: Simplify right side
    9,916.73x = 64,989,630.07
  5. Step 5: Solve for x
    x = 64,989,630.07/9,916.73
  6. Step 6: Final answer
    x = 6,553.53

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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.