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Finding the Fourth Proportional to 58,866.58, 81,265.98 and 45,407.62

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Solution

The fourth proportional to 58,866.58, 81,265.98 and 45,407.62 is: 62,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,866.58 : 81,265.98 = 45,407.62 : x
  2. Step 2: Convert to fraction form
    58,866.58/81,265.98 = 45,407.62/x
  3. Step 3: Cross multiply
    58,866.58x = 81,265.98 × 45,407.62
  4. Step 4: Simplify right side
    58,866.58x = 3,690,094,738.77
  5. Step 5: Solve for x
    x = 3,690,094,738.77/58,866.58
  6. Step 6: Final answer
    x = 62,685.73

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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.