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Finding the Fourth Proportional to 9,866.76, 14,823.12 and 9,335.94

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Solution

The fourth proportional to 9,866.76, 14,823.12 and 9,335.94 is: 14,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.76 : 14,823.12 = 9,335.94 : x
  2. Step 2: Convert to fraction form
    9,866.76/14,823.12 = 9,335.94/x
  3. Step 3: Cross multiply
    9,866.76x = 14,823.12 × 9,335.94
  4. Step 4: Simplify right side
    9,866.76x = 138,387,758.93
  5. Step 5: Solve for x
    x = 138,387,758.93/9,866.76
  6. Step 6: Final answer
    x = 14,025.65

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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.