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Finding the Fourth Proportional to 63,008.40, 94,366.80 and 43,179.60

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Solution

The fourth proportional to 63,008.40, 94,366.80 and 43,179.60 is: 64,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,008.40 : 94,366.80 = 43,179.60 : x
  2. Step 2: Convert to fraction form
    63,008.40/94,366.80 = 43,179.60/x
  3. Step 3: Cross multiply
    63,008.40x = 94,366.80 × 43,179.60
  4. Step 4: Simplify right side
    63,008.40x = 4,074,720,677.28
  5. Step 5: Solve for x
    x = 4,074,720,677.28/63,008.40
  6. Step 6: Final answer
    x = 64,669.48

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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.