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Finding the Fourth Proportional to 60,158.70, 83,006.40 and 45,815.64

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Solution

The fourth proportional to 60,158.70, 83,006.40 and 45,815.64 is: 63,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,158.70 : 83,006.40 = 45,815.64 : x
  2. Step 2: Convert to fraction form
    60,158.70/83,006.40 = 45,815.64/x
  3. Step 3: Cross multiply
    60,158.70x = 83,006.40 × 45,815.64
  4. Step 4: Simplify right side
    60,158.70x = 3,802,991,340.10
  5. Step 5: Solve for x
    x = 3,802,991,340.10/60,158.70
  6. Step 6: Final answer
    x = 63,215.98

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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.