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Finding the Fourth Proportional to 58,760.88, 88,178.46 and 30,731.24

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Solution

The fourth proportional to 58,760.88, 88,178.46 and 30,731.24 is: 46,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,760.88 : 88,178.46 = 30,731.24 : x
  2. Step 2: Convert to fraction form
    58,760.88/88,178.46 = 30,731.24/x
  3. Step 3: Cross multiply
    58,760.88x = 88,178.46 × 30,731.24
  4. Step 4: Simplify right side
    58,760.88x = 2,709,833,417.09
  5. Step 5: Solve for x
    x = 2,709,833,417.09/58,760.88
  6. Step 6: Final answer
    x = 46,116.28

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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.