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Finding the Fourth Proportional to 52,480.67, 72,423.34 and 29,819.69

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Solution

The fourth proportional to 52,480.67, 72,423.34 and 29,819.69 is: 41,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,480.67 : 72,423.34 = 29,819.69 : x
  2. Step 2: Convert to fraction form
    52,480.67/72,423.34 = 29,819.69/x
  3. Step 3: Cross multiply
    52,480.67x = 72,423.34 × 29,819.69
  4. Step 4: Simplify right side
    52,480.67x = 2,159,641,547.56
  5. Step 5: Solve for x
    x = 2,159,641,547.56/52,480.67
  6. Step 6: Final answer
    x = 41,151.18

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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.