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Finding the Fourth Proportional to 5,607.95, 7,734.42 and 4,934.30

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Solution

The fourth proportional to 5,607.95, 7,734.42 and 4,934.30 is: 6,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.95 : 7,734.42 = 4,934.30 : x
  2. Step 2: Convert to fraction form
    5,607.95/7,734.42 = 4,934.30/x
  3. Step 3: Cross multiply
    5,607.95x = 7,734.42 × 4,934.30
  4. Step 4: Simplify right side
    5,607.95x = 38,163,909.93
  5. Step 5: Solve for x
    x = 38,163,909.93/5,607.95
  6. Step 6: Final answer
    x = 6,805.33

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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.