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Finding the Fourth Proportional to 60,881.48, 84,069.96 and 38,259.80

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Solution

The fourth proportional to 60,881.48, 84,069.96 and 38,259.80 is: 52,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,881.48 : 84,069.96 = 38,259.80 : x
  2. Step 2: Convert to fraction form
    60,881.48/84,069.96 = 38,259.80/x
  3. Step 3: Cross multiply
    60,881.48x = 84,069.96 × 38,259.80
  4. Step 4: Simplify right side
    60,881.48x = 3,216,499,855.61
  5. Step 5: Solve for x
    x = 3,216,499,855.61/60,881.48
  6. Step 6: Final answer
    x = 52,832.16

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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.