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Finding the Fourth Proportional to 32,772.60, 49,130.10 and 19,630.20

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Solution

The fourth proportional to 32,772.60, 49,130.10 and 19,630.20 is: 29,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.60 : 49,130.10 = 19,630.20 : x
  2. Step 2: Convert to fraction form
    32,772.60/49,130.10 = 19,630.20/x
  3. Step 3: Cross multiply
    32,772.60x = 49,130.10 × 19,630.20
  4. Step 4: Simplify right side
    32,772.60x = 964,433,689.02
  5. Step 5: Solve for x
    x = 964,433,689.02/32,772.60
  6. Step 6: Final answer
    x = 29,428.05

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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.