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Finding the Fourth Proportional to 32,800.69, 45,260.76 and 18,458.74

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Solution

The fourth proportional to 32,800.69, 45,260.76 and 18,458.74 is: 25,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,800.69 : 45,260.76 = 18,458.74 : x
  2. Step 2: Convert to fraction form
    32,800.69/45,260.76 = 18,458.74/x
  3. Step 3: Cross multiply
    32,800.69x = 45,260.76 × 18,458.74
  4. Step 4: Simplify right side
    32,800.69x = 835,456,601.04
  5. Step 5: Solve for x
    x = 835,456,601.04/32,800.69
  6. Step 6: Final answer
    x = 25,470.70

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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.