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Finding the Fourth Proportional to 28,598.40, 39,446.40 and 23,293.44

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Solution

The fourth proportional to 28,598.40, 39,446.40 and 23,293.44 is: 32,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.40 : 39,446.40 = 23,293.44 : x
  2. Step 2: Convert to fraction form
    28,598.40/39,446.40 = 23,293.44/x
  3. Step 3: Cross multiply
    28,598.40x = 39,446.40 × 23,293.44
  4. Step 4: Simplify right side
    28,598.40x = 918,842,351.62
  5. Step 5: Solve for x
    x = 918,842,351.62/28,598.40
  6. Step 6: Final answer
    x = 32,129.15

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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.