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Finding the Fourth Proportional to 32,960.40, 49,436.68 and 8,615.45

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Solution

The fourth proportional to 32,960.40, 49,436.68 and 8,615.45 is: 12,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,960.40 : 49,436.68 = 8,615.45 : x
  2. Step 2: Convert to fraction form
    32,960.40/49,436.68 = 8,615.45/x
  3. Step 3: Cross multiply
    32,960.40x = 49,436.68 × 8,615.45
  4. Step 4: Simplify right side
    32,960.40x = 425,919,084.83
  5. Step 5: Solve for x
    x = 425,919,084.83/32,960.40
  6. Step 6: Final answer
    x = 12,922.14

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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.