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Finding the Fourth Proportional to 15,133.61, 22,700.22 and 6,807.74

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Solution

The fourth proportional to 15,133.61, 22,700.22 and 6,807.74 is: 10,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.61 : 22,700.22 = 6,807.74 : x
  2. Step 2: Convert to fraction form
    15,133.61/22,700.22 = 6,807.74/x
  3. Step 3: Cross multiply
    15,133.61x = 22,700.22 × 6,807.74
  4. Step 4: Simplify right side
    15,133.61x = 154,537,195.70
  5. Step 5: Solve for x
    x = 154,537,195.70/15,133.61
  6. Step 6: Final answer
    x = 10,211.52

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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.