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Finding the Fourth Proportional to 15,339.74, 22,995.02 and 9,777.47

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Solution

The fourth proportional to 15,339.74, 22,995.02 and 9,777.47 is: 14,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.74 : 22,995.02 = 9,777.47 : x
  2. Step 2: Convert to fraction form
    15,339.74/22,995.02 = 9,777.47/x
  3. Step 3: Cross multiply
    15,339.74x = 22,995.02 × 9,777.47
  4. Step 4: Simplify right side
    15,339.74x = 224,833,027.67
  5. Step 5: Solve for x
    x = 224,833,027.67/15,339.74
  6. Step 6: Final answer
    x = 14,656.90

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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.