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Finding the Fourth Proportional to 32,411.55, 48,597.87 and 12,666.60

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Solution

The fourth proportional to 32,411.55, 48,597.87 and 12,666.60 is: 18,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,411.55 : 48,597.87 = 12,666.60 : x
  2. Step 2: Convert to fraction form
    32,411.55/48,597.87 = 12,666.60/x
  3. Step 3: Cross multiply
    32,411.55x = 48,597.87 × 12,666.60
  4. Step 4: Simplify right side
    32,411.55x = 615,569,780.14
  5. Step 5: Solve for x
    x = 615,569,780.14/32,411.55
  6. Step 6: Final answer
    x = 18,992.30

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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.