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Finding the Fourth Proportional to 9,760.59, 14,641.20 and 3,186.59

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Solution

The fourth proportional to 9,760.59, 14,641.20 and 3,186.59 is: 4,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.59 : 14,641.20 = 3,186.59 : x
  2. Step 2: Convert to fraction form
    9,760.59/14,641.20 = 3,186.59/x
  3. Step 3: Cross multiply
    9,760.59x = 14,641.20 × 3,186.59
  4. Step 4: Simplify right side
    9,760.59x = 46,655,428.30
  5. Step 5: Solve for x
    x = 46,655,428.30/9,760.59
  6. Step 6: Final answer
    x = 4,779.98

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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.