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Finding the Fourth Proportional to 42,513.80, 58,671.80 and 23,650.92

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Solution

The fourth proportional to 42,513.80, 58,671.80 and 23,650.92 is: 32,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513.80 : 58,671.80 = 23,650.92 : x
  2. Step 2: Convert to fraction form
    42,513.80/58,671.80 = 23,650.92/x
  3. Step 3: Cross multiply
    42,513.80x = 58,671.80 × 23,650.92
  4. Step 4: Simplify right side
    42,513.80x = 1,387,642,048.06
  5. Step 5: Solve for x
    x = 1,387,642,048.06/42,513.80
  6. Step 6: Final answer
    x = 32,639.80

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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.