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Finding the Fourth Proportional to 60,518.68, 90,715.49 and 23,068.70

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Solution

The fourth proportional to 60,518.68, 90,715.49 and 23,068.70 is: 34,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,518.68 : 90,715.49 = 23,068.70 : x
  2. Step 2: Convert to fraction form
    60,518.68/90,715.49 = 23,068.70/x
  3. Step 3: Cross multiply
    60,518.68x = 90,715.49 × 23,068.70
  4. Step 4: Simplify right side
    60,518.68x = 2,092,688,411.69
  5. Step 5: Solve for x
    x = 2,092,688,411.69/60,518.68
  6. Step 6: Final answer
    x = 34,579.22

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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.