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Finding the Fourth Proportional to 15,152.56, 22,713.04 and 8,907.46

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Solution

The fourth proportional to 15,152.56, 22,713.04 and 8,907.46 is: 13,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.56 : 22,713.04 = 8,907.46 : x
  2. Step 2: Convert to fraction form
    15,152.56/22,713.04 = 8,907.46/x
  3. Step 3: Cross multiply
    15,152.56x = 22,713.04 × 8,907.46
  4. Step 4: Simplify right side
    15,152.56x = 202,315,495.28
  5. Step 5: Solve for x
    x = 202,315,495.28/15,152.56
  6. Step 6: Final answer
    x = 13,351.90

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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.