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Finding the Fourth Proportional to 3,503.46, 4,834.71 and 1,931.61

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Solution

The fourth proportional to 3,503.46, 4,834.71 and 1,931.61 is: 2,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.46 : 4,834.71 = 1,931.61 : x
  2. Step 2: Convert to fraction form
    3,503.46/4,834.71 = 1,931.61/x
  3. Step 3: Cross multiply
    3,503.46x = 4,834.71 × 1,931.61
  4. Step 4: Simplify right side
    3,503.46x = 9,338,774.18
  5. Step 5: Solve for x
    x = 9,338,774.18/3,503.46
  6. Step 6: Final answer
    x = 2,665.59

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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.