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Finding the Fourth Proportional to 10,532.79, 15,799.07 and 4,291.34

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Solution

The fourth proportional to 10,532.79, 15,799.07 and 4,291.34 is: 6,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.79 : 15,799.07 = 4,291.34 : x
  2. Step 2: Convert to fraction form
    10,532.79/15,799.07 = 4,291.34/x
  3. Step 3: Cross multiply
    10,532.79x = 15,799.07 × 4,291.34
  4. Step 4: Simplify right side
    10,532.79x = 67,799,080.60
  5. Step 5: Solve for x
    x = 67,799,080.60/10,532.79
  6. Step 6: Final answer
    x = 6,436.95

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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.