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Finding the Fourth Proportional to 15,016.94, 22,521.92 and 5,657.90

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Solution

The fourth proportional to 15,016.94, 22,521.92 and 5,657.90 is: 8,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.94 : 22,521.92 = 5,657.90 : x
  2. Step 2: Convert to fraction form
    15,016.94/22,521.92 = 5,657.90/x
  3. Step 3: Cross multiply
    15,016.94x = 22,521.92 × 5,657.90
  4. Step 4: Simplify right side
    15,016.94x = 127,426,700.72
  5. Step 5: Solve for x
    x = 127,426,700.72/15,016.94
  6. Step 6: Final answer
    x = 8,485.53

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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.