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Finding the Fourth Proportional to 9,798.91, 14,750.69 and 8,442.52

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Solution

The fourth proportional to 9,798.91, 14,750.69 and 8,442.52 is: 12,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.91 : 14,750.69 = 8,442.52 : x
  2. Step 2: Convert to fraction form
    9,798.91/14,750.69 = 8,442.52/x
  3. Step 3: Cross multiply
    9,798.91x = 14,750.69 × 8,442.52
  4. Step 4: Simplify right side
    9,798.91x = 124,532,995.34
  5. Step 5: Solve for x
    x = 124,532,995.34/9,798.91
  6. Step 6: Final answer
    x = 12,708.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.