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Finding the Fourth Proportional to 8,857.52, 13,294.48 and 4,478.04

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Solution

The fourth proportional to 8,857.52, 13,294.48 and 4,478.04 is: 6,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.52 : 13,294.48 = 4,478.04 : x
  2. Step 2: Convert to fraction form
    8,857.52/13,294.48 = 4,478.04/x
  3. Step 3: Cross multiply
    8,857.52x = 13,294.48 × 4,478.04
  4. Step 4: Simplify right side
    8,857.52x = 59,533,213.22
  5. Step 5: Solve for x
    x = 59,533,213.22/8,857.52
  6. Step 6: Final answer
    x = 6,721.21

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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.