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Finding the Fourth Proportional to 59,412.60, 81,989.10 and 32,556.78

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Solution

The fourth proportional to 59,412.60, 81,989.10 and 32,556.78 is: 44,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,412.60 : 81,989.10 = 32,556.78 : x
  2. Step 2: Convert to fraction form
    59,412.60/81,989.10 = 32,556.78/x
  3. Step 3: Cross multiply
    59,412.60x = 81,989.10 × 32,556.78
  4. Step 4: Simplify right side
    59,412.60x = 2,669,301,091.10
  5. Step 5: Solve for x
    x = 2,669,301,091.10/59,412.60
  6. Step 6: Final answer
    x = 44,928.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.