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Finding the Fourth Proportional to 7,015.71, 10,522.02 and 2,854.62

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Solution

The fourth proportional to 7,015.71, 10,522.02 and 2,854.62 is: 4,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.71 : 10,522.02 = 2,854.62 : x
  2. Step 2: Convert to fraction form
    7,015.71/10,522.02 = 2,854.62/x
  3. Step 3: Cross multiply
    7,015.71x = 10,522.02 × 2,854.62
  4. Step 4: Simplify right side
    7,015.71x = 30,036,368.73
  5. Step 5: Solve for x
    x = 30,036,368.73/7,015.71
  6. Step 6: Final answer
    x = 4,281.30

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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.