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Finding the Fourth Proportional to 8,569.67, 12,854.47 and 3,021.68

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Solution

The fourth proportional to 8,569.67, 12,854.47 and 3,021.68 is: 4,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.67 : 12,854.47 = 3,021.68 : x
  2. Step 2: Convert to fraction form
    8,569.67/12,854.47 = 3,021.68/x
  3. Step 3: Cross multiply
    8,569.67x = 12,854.47 × 3,021.68
  4. Step 4: Simplify right side
    8,569.67x = 38,842,094.91
  5. Step 5: Solve for x
    x = 38,842,094.91/8,569.67
  6. Step 6: Final answer
    x = 4,532.51

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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.