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Finding the Fourth Proportional to 64,373.80, 96,560.70 and 55,733.80

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Solution

The fourth proportional to 64,373.80, 96,560.70 and 55,733.80 is: 83,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,373.80 : 96,560.70 = 55,733.80 : x
  2. Step 2: Convert to fraction form
    64,373.80/96,560.70 = 55,733.80/x
  3. Step 3: Cross multiply
    64,373.80x = 96,560.70 × 55,733.80
  4. Step 4: Simplify right side
    64,373.80x = 5,381,694,741.66
  5. Step 5: Solve for x
    x = 5,381,694,741.66/64,373.80
  6. Step 6: Final answer
    x = 83,600.70

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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.