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Finding the Fourth Proportional to 5,309.22, 7,925.61 and 4,924.74

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Solution

The fourth proportional to 5,309.22, 7,925.61 and 4,924.74 is: 7,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.22 : 7,925.61 = 4,924.74 : x
  2. Step 2: Convert to fraction form
    5,309.22/7,925.61 = 4,924.74/x
  3. Step 3: Cross multiply
    5,309.22x = 7,925.61 × 4,924.74
  4. Step 4: Simplify right side
    5,309.22x = 39,031,568.59
  5. Step 5: Solve for x
    x = 39,031,568.59/5,309.22
  6. Step 6: Final answer
    x = 7,351.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.