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Finding the Fourth Proportional to 63,165.80, 94,748.70 and 57,479.60

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Solution

The fourth proportional to 63,165.80, 94,748.70 and 57,479.60 is: 86,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,165.80 : 94,748.70 = 57,479.60 : x
  2. Step 2: Convert to fraction form
    63,165.80/94,748.70 = 57,479.60/x
  3. Step 3: Cross multiply
    63,165.80x = 94,748.70 × 57,479.60
  4. Step 4: Simplify right side
    63,165.80x = 5,446,117,376.52
  5. Step 5: Solve for x
    x = 5,446,117,376.52/63,165.80
  6. Step 6: Final answer
    x = 86,219.40

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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.