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Finding the Fourth Proportional to 10,247.88, 15,374.88 and 4,009.08

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Solution

The fourth proportional to 10,247.88, 15,374.88 and 4,009.08 is: 6,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.88 : 15,374.88 = 4,009.08 : x
  2. Step 2: Convert to fraction form
    10,247.88/15,374.88 = 4,009.08/x
  3. Step 3: Cross multiply
    10,247.88x = 15,374.88 × 4,009.08
  4. Step 4: Simplify right side
    10,247.88x = 61,639,123.91
  5. Step 5: Solve for x
    x = 61,639,123.91/10,247.88
  6. Step 6: Final answer
    x = 6,014.82

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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.