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Finding the Fourth Proportional to 42,833.80, 64,250.70 and 29,672.92

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Solution

The fourth proportional to 42,833.80, 64,250.70 and 29,672.92 is: 44,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,833.80 : 64,250.70 = 29,672.92 : x
  2. Step 2: Convert to fraction form
    42,833.80/64,250.70 = 29,672.92/x
  3. Step 3: Cross multiply
    42,833.80x = 64,250.70 × 29,672.92
  4. Step 4: Simplify right side
    42,833.80x = 1,906,505,881.04
  5. Step 5: Solve for x
    x = 1,906,505,881.04/42,833.80
  6. Step 6: Final answer
    x = 44,509.38

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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.