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Finding the Fourth Proportional to 32,655.60, 48,975.16 and 8,963.20

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Solution

The fourth proportional to 32,655.60, 48,975.16 and 8,963.20 is: 13,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,655.60 : 48,975.16 = 8,963.20 : x
  2. Step 2: Convert to fraction form
    32,655.60/48,975.16 = 8,963.20/x
  3. Step 3: Cross multiply
    32,655.60x = 48,975.16 × 8,963.20
  4. Step 4: Simplify right side
    32,655.60x = 438,974,154.11
  5. Step 5: Solve for x
    x = 438,974,154.11/32,655.60
  6. Step 6: Final answer
    x = 13,442.54

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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.