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Finding the Fourth Proportional to 32,801.60, 49,207.20 and 17,220.40

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Solution

The fourth proportional to 32,801.60, 49,207.20 and 17,220.40 is: 25,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,801.60 : 49,207.20 = 17,220.40 : x
  2. Step 2: Convert to fraction form
    32,801.60/49,207.20 = 17,220.40/x
  3. Step 3: Cross multiply
    32,801.60x = 49,207.20 × 17,220.40
  4. Step 4: Simplify right side
    32,801.60x = 847,367,666.88
  5. Step 5: Solve for x
    x = 847,367,666.88/32,801.60
  6. Step 6: Final answer
    x = 25,833.12

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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.