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Finding the Fourth Proportional to 60,003.79, 90,005.38 and 56,349.88

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Solution

The fourth proportional to 60,003.79, 90,005.38 and 56,349.88 is: 84,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,003.79 : 90,005.38 = 56,349.88 : x
  2. Step 2: Convert to fraction form
    60,003.79/90,005.38 = 56,349.88/x
  3. Step 3: Cross multiply
    60,003.79x = 90,005.38 × 56,349.88
  4. Step 4: Simplify right side
    60,003.79x = 5,071,791,996.47
  5. Step 5: Solve for x
    x = 5,071,791,996.47/60,003.79
  6. Step 6: Final answer
    x = 84,524.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.