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Finding the Fourth Proportional to 5,584.52, 8,376.76 and 1,886.76

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Solution

The fourth proportional to 5,584.52, 8,376.76 and 1,886.76 is: 2,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.52 : 8,376.76 = 1,886.76 : x
  2. Step 2: Convert to fraction form
    5,584.52/8,376.76 = 1,886.76/x
  3. Step 3: Cross multiply
    5,584.52x = 8,376.76 × 1,886.76
  4. Step 4: Simplify right side
    5,584.52x = 15,804,935.70
  5. Step 5: Solve for x
    x = 15,804,935.70/5,584.52
  6. Step 6: Final answer
    x = 2,830.13

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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.