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Finding the Fourth Proportional to 15,047.88, 22,557.09 and 6,285.30

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Solution

The fourth proportional to 15,047.88, 22,557.09 and 6,285.30 is: 9,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047.88 : 22,557.09 = 6,285.30 : x
  2. Step 2: Convert to fraction form
    15,047.88/22,557.09 = 6,285.30/x
  3. Step 3: Cross multiply
    15,047.88x = 22,557.09 × 6,285.30
  4. Step 4: Simplify right side
    15,047.88x = 141,778,077.78
  5. Step 5: Solve for x
    x = 141,778,077.78/15,047.88
  6. Step 6: Final answer
    x = 9,421.80

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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.