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Finding the Fourth Proportional to 8,801.56, 12,144.90 and 5,025.40

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Solution

The fourth proportional to 8,801.56, 12,144.90 and 5,025.40 is: 6,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.56 : 12,144.90 = 5,025.40 : x
  2. Step 2: Convert to fraction form
    8,801.56/12,144.90 = 5,025.40/x
  3. Step 3: Cross multiply
    8,801.56x = 12,144.90 × 5,025.40
  4. Step 4: Simplify right side
    8,801.56x = 61,032,980.46
  5. Step 5: Solve for x
    x = 61,032,980.46/8,801.56
  6. Step 6: Final answer
    x = 6,934.34

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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.