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Finding the Fourth Proportional to 60,870.47, 83,998.84 and 35,375.64

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Solution

The fourth proportional to 60,870.47, 83,998.84 and 35,375.64 is: 48,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,870.47 : 83,998.84 = 35,375.64 : x
  2. Step 2: Convert to fraction form
    60,870.47/83,998.84 = 35,375.64/x
  3. Step 3: Cross multiply
    60,870.47x = 83,998.84 × 35,375.64
  4. Step 4: Simplify right side
    60,870.47x = 2,971,512,237.91
  5. Step 5: Solve for x
    x = 2,971,512,237.91/60,870.47
  6. Step 6: Final answer
    x = 48,816.97

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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.