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Finding the Fourth Proportional to 8,808.49, 12,148.76 and 7,801.25

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Solution

The fourth proportional to 8,808.49, 12,148.76 and 7,801.25 is: 10,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.49 : 12,148.76 = 7,801.25 : x
  2. Step 2: Convert to fraction form
    8,808.49/12,148.76 = 7,801.25/x
  3. Step 3: Cross multiply
    8,808.49x = 12,148.76 × 7,801.25
  4. Step 4: Simplify right side
    8,808.49x = 94,775,505.32
  5. Step 5: Solve for x
    x = 94,775,505.32/8,808.49
  6. Step 6: Final answer
    x = 10,759.57

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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.