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Finding the Fourth Proportional to 16,287.48, 24,470.34 and 10,455.48

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Solution

The fourth proportional to 16,287.48, 24,470.34 and 10,455.48 is: 15,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.48 : 24,470.34 = 10,455.48 : x
  2. Step 2: Convert to fraction form
    16,287.48/24,470.34 = 10,455.48/x
  3. Step 3: Cross multiply
    16,287.48x = 24,470.34 × 10,455.48
  4. Step 4: Simplify right side
    16,287.48x = 255,849,150.46
  5. Step 5: Solve for x
    x = 255,849,150.46/16,287.48
  6. Step 6: Final answer
    x = 15,708.33

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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.