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Finding the Fourth Proportional to 4,966.83, 6,854.16 and 2,870.94

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Solution

The fourth proportional to 4,966.83, 6,854.16 and 2,870.94 is: 3,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.83 : 6,854.16 = 2,870.94 : x
  2. Step 2: Convert to fraction form
    4,966.83/6,854.16 = 2,870.94/x
  3. Step 3: Cross multiply
    4,966.83x = 6,854.16 × 2,870.94
  4. Step 4: Simplify right side
    4,966.83x = 19,677,882.11
  5. Step 5: Solve for x
    x = 19,677,882.11/4,966.83
  6. Step 6: Final answer
    x = 3,961.86

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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.