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Finding the Fourth Proportional to 15,858.76, 23,799.06 and 5,470.50

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Solution

The fourth proportional to 15,858.76, 23,799.06 and 5,470.50 is: 8,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.76 : 23,799.06 = 5,470.50 : x
  2. Step 2: Convert to fraction form
    15,858.76/23,799.06 = 5,470.50/x
  3. Step 3: Cross multiply
    15,858.76x = 23,799.06 × 5,470.50
  4. Step 4: Simplify right side
    15,858.76x = 130,192,757.73
  5. Step 5: Solve for x
    x = 130,192,757.73/15,858.76
  6. Step 6: Final answer
    x = 8,209.52

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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.