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Finding the Fourth Proportional to 60,748.81, 83,778.85 and 38,090.28

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Solution

The fourth proportional to 60,748.81, 83,778.85 and 38,090.28 is: 52,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,748.81 : 83,778.85 = 38,090.28 : x
  2. Step 2: Convert to fraction form
    60,748.81/83,778.85 = 38,090.28/x
  3. Step 3: Cross multiply
    60,748.81x = 83,778.85 × 38,090.28
  4. Step 4: Simplify right side
    60,748.81x = 3,191,159,854.58
  5. Step 5: Solve for x
    x = 3,191,159,854.58/60,748.81
  6. Step 6: Final answer
    x = 52,530.41

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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.