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Finding the Fourth Proportional to 71,555.67, 107,333.51 and 29,434.05

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Solution

The fourth proportional to 71,555.67, 107,333.51 and 29,434.05 is: 44,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,555.67 : 107,333.51 = 29,434.05 : x
  2. Step 2: Convert to fraction form
    71,555.67/107,333.51 = 29,434.05/x
  3. Step 3: Cross multiply
    71,555.67x = 107,333.51 × 29,434.05
  4. Step 4: Simplify right side
    71,555.67x = 3,159,259,752.85
  5. Step 5: Solve for x
    x = 3,159,259,752.85/71,555.67
  6. Step 6: Final answer
    x = 44,151.08

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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.