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Finding the Fourth Proportional to 65,159.68, 97,737.60 and 18,411.76

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Solution

The fourth proportional to 65,159.68, 97,737.60 and 18,411.76 is: 27,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,159.68 : 97,737.60 = 18,411.76 : x
  2. Step 2: Convert to fraction form
    65,159.68/97,737.60 = 18,411.76/x
  3. Step 3: Cross multiply
    65,159.68x = 97,737.60 × 18,411.76
  4. Step 4: Simplify right side
    65,159.68x = 1,799,521,234.18
  5. Step 5: Solve for x
    x = 1,799,521,234.18/65,159.68
  6. Step 6: Final answer
    x = 27,617.10

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1.5x scale

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.