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Finding the Fourth Proportional to 15,206.40, 22,732.80 and 15,052.80

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Solution

The fourth proportional to 15,206.40, 22,732.80 and 15,052.80 is: 22,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.40 : 22,732.80 = 15,052.80 : x
  2. Step 2: Convert to fraction form
    15,206.40/22,732.80 = 15,052.80/x
  3. Step 3: Cross multiply
    15,206.40x = 22,732.80 × 15,052.80
  4. Step 4: Simplify right side
    15,206.40x = 342,192,291.84
  5. Step 5: Solve for x
    x = 342,192,291.84/15,206.40
  6. Step 6: Final answer
    x = 22,503.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.