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Finding the Fourth Proportional to 8,937.53, 12,334.12 and 5,400.06

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Solution

The fourth proportional to 8,937.53, 12,334.12 and 5,400.06 is: 7,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.53 : 12,334.12 = 5,400.06 : x
  2. Step 2: Convert to fraction form
    8,937.53/12,334.12 = 5,400.06/x
  3. Step 3: Cross multiply
    8,937.53x = 12,334.12 × 5,400.06
  4. Step 4: Simplify right side
    8,937.53x = 66,604,988.05
  5. Step 5: Solve for x
    x = 66,604,988.05/8,937.53
  6. Step 6: Final answer
    x = 7,452.28

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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.