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Finding the Fourth Proportional to 32,155.20, 48,232.80 and 9,968.40

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Solution

The fourth proportional to 32,155.20, 48,232.80 and 9,968.40 is: 14,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,155.20 : 48,232.80 = 9,968.40 : x
  2. Step 2: Convert to fraction form
    32,155.20/48,232.80 = 9,968.40/x
  3. Step 3: Cross multiply
    32,155.20x = 48,232.80 × 9,968.40
  4. Step 4: Simplify right side
    32,155.20x = 480,803,843.52
  5. Step 5: Solve for x
    x = 480,803,843.52/32,155.20
  6. Step 6: Final answer
    x = 14,952.60

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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.