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Finding the Fourth Proportional to 60,267.78, 83,178.74 and 38,473.47

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Solution

The fourth proportional to 60,267.78, 83,178.74 and 38,473.47 is: 53,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,267.78 : 83,178.74 = 38,473.47 : x
  2. Step 2: Convert to fraction form
    60,267.78/83,178.74 = 38,473.47/x
  3. Step 3: Cross multiply
    60,267.78x = 83,178.74 × 38,473.47
  4. Step 4: Simplify right side
    60,267.78x = 3,200,174,758.03
  5. Step 5: Solve for x
    x = 3,200,174,758.03/60,267.78
  6. Step 6: Final answer
    x = 53,099.26

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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.