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Finding the Fourth Proportional to 5,886.76, 8,870.64 and 4,869.65

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Solution

The fourth proportional to 5,886.76, 8,870.64 and 4,869.65 is: 7,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.76 : 8,870.64 = 4,869.65 : x
  2. Step 2: Convert to fraction form
    5,886.76/8,870.64 = 4,869.65/x
  3. Step 3: Cross multiply
    5,886.76x = 8,870.64 × 4,869.65
  4. Step 4: Simplify right side
    5,886.76x = 43,196,887.73
  5. Step 5: Solve for x
    x = 43,196,887.73/5,886.76
  6. Step 6: Final answer
    x = 7,337.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.