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Finding the Fourth Proportional to 7,603.58, 10,487.17 and 6,543.12

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Solution

The fourth proportional to 7,603.58, 10,487.17 and 6,543.12 is: 9,024.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.58 : 10,487.17 = 6,543.12 : x
  2. Step 2: Convert to fraction form
    7,603.58/10,487.17 = 6,543.12/x
  3. Step 3: Cross multiply
    7,603.58x = 10,487.17 × 6,543.12
  4. Step 4: Simplify right side
    7,603.58x = 68,618,859.28
  5. Step 5: Solve for x
    x = 68,618,859.28/7,603.58
  6. Step 6: Final answer
    x = 9,024.54

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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.