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Finding the Fourth Proportional to 60,340.96, 83,308.32 and 38,868.04

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Solution

The fourth proportional to 60,340.96, 83,308.32 and 38,868.04 is: 53,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,340.96 : 83,308.32 = 38,868.04 : x
  2. Step 2: Convert to fraction form
    60,340.96/83,308.32 = 38,868.04/x
  3. Step 3: Cross multiply
    60,340.96x = 83,308.32 × 38,868.04
  4. Step 4: Simplify right side
    60,340.96x = 3,238,031,114.09
  5. Step 5: Solve for x
    x = 3,238,031,114.09/60,340.96
  6. Step 6: Final answer
    x = 53,662.24

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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.