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Finding the Fourth Proportional to 32,479.60, 48,685.80 and 17,657.20

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Solution

The fourth proportional to 32,479.60, 48,685.80 and 17,657.20 is: 26,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479.60 : 48,685.80 = 17,657.20 : x
  2. Step 2: Convert to fraction form
    32,479.60/48,685.80 = 17,657.20/x
  3. Step 3: Cross multiply
    32,479.60x = 48,685.80 × 17,657.20
  4. Step 4: Simplify right side
    32,479.60x = 859,654,907.76
  5. Step 5: Solve for x
    x = 859,654,907.76/32,479.60
  6. Step 6: Final answer
    x = 26,467.53

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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.