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Finding the Fourth Proportional to 59,620.80, 82,284.48 and 38,461.59

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Solution

The fourth proportional to 59,620.80, 82,284.48 and 38,461.59 is: 53,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,620.80 : 82,284.48 = 38,461.59 : x
  2. Step 2: Convert to fraction form
    59,620.80/82,284.48 = 38,461.59/x
  3. Step 3: Cross multiply
    59,620.80x = 82,284.48 × 38,461.59
  4. Step 4: Simplify right side
    59,620.80x = 3,164,791,933.12
  5. Step 5: Solve for x
    x = 3,164,791,933.12/59,620.80
  6. Step 6: Final answer
    x = 53,082.01

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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.