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Finding the Fourth Proportional to 8,866.08, 12,235.04 and 5,089.16

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Solution

The fourth proportional to 8,866.08, 12,235.04 and 5,089.16 is: 7,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.08 : 12,235.04 = 5,089.16 : x
  2. Step 2: Convert to fraction form
    8,866.08/12,235.04 = 5,089.16/x
  3. Step 3: Cross multiply
    8,866.08x = 12,235.04 × 5,089.16
  4. Step 4: Simplify right side
    8,866.08x = 62,266,076.17
  5. Step 5: Solve for x
    x = 62,266,076.17/8,866.08
  6. Step 6: Final answer
    x = 7,022.95

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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.