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Finding the Fourth Proportional to 5,941.16, 8,920.95 and 5,678.21

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Solution

The fourth proportional to 5,941.16, 8,920.95 and 5,678.21 is: 8,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,941.16 : 8,920.95 = 5,678.21 : x
  2. Step 2: Convert to fraction form
    5,941.16/8,920.95 = 5,678.21/x
  3. Step 3: Cross multiply
    5,941.16x = 8,920.95 × 5,678.21
  4. Step 4: Simplify right side
    5,941.16x = 50,655,049.80
  5. Step 5: Solve for x
    x = 50,655,049.80/5,941.16
  6. Step 6: Final answer
    x = 8,526.13

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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.