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Finding the Fourth Proportional to 60,458.44, 83,442.96 and 38,942.08

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Solution

The fourth proportional to 60,458.44, 83,442.96 and 38,942.08 is: 53,746.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,458.44 : 83,442.96 = 38,942.08 : x
  2. Step 2: Convert to fraction form
    60,458.44/83,442.96 = 38,942.08/x
  3. Step 3: Cross multiply
    60,458.44x = 83,442.96 × 38,942.08
  4. Step 4: Simplify right side
    60,458.44x = 3,249,442,423.76
  5. Step 5: Solve for x
    x = 3,249,442,423.76/60,458.44
  6. Step 6: Final answer
    x = 53,746.71

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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.