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Finding the Fourth Proportional to 5,862.71, 8,794.15 and 1,913.95

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Solution

The fourth proportional to 5,862.71, 8,794.15 and 1,913.95 is: 2,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.71 : 8,794.15 = 1,913.95 : x
  2. Step 2: Convert to fraction form
    5,862.71/8,794.15 = 1,913.95/x
  3. Step 3: Cross multiply
    5,862.71x = 8,794.15 × 1,913.95
  4. Step 4: Simplify right side
    5,862.71x = 16,831,519.42
  5. Step 5: Solve for x
    x = 16,831,519.42/5,862.71
  6. Step 6: Final answer
    x = 2,870.95

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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.