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Finding the Fourth Proportional to 32,405.60, 48,620.91 and 11,347.97

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Solution

The fourth proportional to 32,405.60, 48,620.91 and 11,347.97 is: 17,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,405.60 : 48,620.91 = 11,347.97 : x
  2. Step 2: Convert to fraction form
    32,405.60/48,620.91 = 11,347.97/x
  3. Step 3: Cross multiply
    32,405.60x = 48,620.91 × 11,347.97
  4. Step 4: Simplify right side
    32,405.60x = 551,748,384.95
  5. Step 5: Solve for x
    x = 551,748,384.95/32,405.60
  6. Step 6: Final answer
    x = 17,026.33

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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.