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Finding the Fourth Proportional to 63,585.60, 95,378.40 and 54,830.40

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Solution

The fourth proportional to 63,585.60, 95,378.40 and 54,830.40 is: 82,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,585.60 : 95,378.40 = 54,830.40 : x
  2. Step 2: Convert to fraction form
    63,585.60/95,378.40 = 54,830.40/x
  3. Step 3: Cross multiply
    63,585.60x = 95,378.40 × 54,830.40
  4. Step 4: Simplify right side
    63,585.60x = 5,229,635,823.36
  5. Step 5: Solve for x
    x = 5,229,635,823.36/63,585.60
  6. Step 6: Final answer
    x = 82,245.60

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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.