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Finding the Fourth Proportional to 8,954.72, 13,432.36 and 4,275.22

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Solution

The fourth proportional to 8,954.72, 13,432.36 and 4,275.22 is: 6,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.72 : 13,432.36 = 4,275.22 : x
  2. Step 2: Convert to fraction form
    8,954.72/13,432.36 = 4,275.22/x
  3. Step 3: Cross multiply
    8,954.72x = 13,432.36 × 4,275.22
  4. Step 4: Simplify right side
    8,954.72x = 57,426,294.12
  5. Step 5: Solve for x
    x = 57,426,294.12/8,954.72
  6. Step 6: Final answer
    x = 6,412.96

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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.