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Finding the Fourth Proportional to 32,139.48, 44,350.02 and 17,990.40

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Solution

The fourth proportional to 32,139.48, 44,350.02 and 17,990.40 is: 24,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.48 : 44,350.02 = 17,990.40 : x
  2. Step 2: Convert to fraction form
    32,139.48/44,350.02 = 17,990.40/x
  3. Step 3: Cross multiply
    32,139.48x = 44,350.02 × 17,990.40
  4. Step 4: Simplify right side
    32,139.48x = 797,874,599.81
  5. Step 5: Solve for x
    x = 797,874,599.81/32,139.48
  6. Step 6: Final answer
    x = 24,825.37

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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.