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Finding the Fourth Proportional to 8,585.00, 11,848.29 and 5,229.78

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Solution

The fourth proportional to 8,585.00, 11,848.29 and 5,229.78 is: 7,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.00 : 11,848.29 = 5,229.78 : x
  2. Step 2: Convert to fraction form
    8,585.00/11,848.29 = 5,229.78/x
  3. Step 3: Cross multiply
    8,585.00x = 11,848.29 × 5,229.78
  4. Step 4: Simplify right side
    8,585.00x = 61,963,950.08
  5. Step 5: Solve for x
    x = 61,963,950.08/8,585.00
  6. Step 6: Final answer
    x = 7,217.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.