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Finding the Fourth Proportional to 52,419.65, 72,336.65 and 29,755.65

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Solution

The fourth proportional to 52,419.65, 72,336.65 and 29,755.65 is: 41,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419.65 : 72,336.65 = 29,755.65 : x
  2. Step 2: Convert to fraction form
    52,419.65/72,336.65 = 29,755.65/x
  3. Step 3: Cross multiply
    52,419.65x = 72,336.65 × 29,755.65
  4. Step 4: Simplify right side
    52,419.65x = 2,152,424,039.57
  5. Step 5: Solve for x
    x = 2,152,424,039.57/52,419.65
  6. Step 6: Final answer
    x = 41,061.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.