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Finding the Fourth Proportional to 9,089.08, 12,543.06 and 5,363.08

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Solution

The fourth proportional to 9,089.08, 12,543.06 and 5,363.08 is: 7,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.08 : 12,543.06 = 5,363.08 : x
  2. Step 2: Convert to fraction form
    9,089.08/12,543.06 = 5,363.08/x
  3. Step 3: Cross multiply
    9,089.08x = 12,543.06 × 5,363.08
  4. Step 4: Simplify right side
    9,089.08x = 67,269,434.22
  5. Step 5: Solve for x
    x = 67,269,434.22/9,089.08
  6. Step 6: Final answer
    x = 7,401.13

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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.