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Finding the Fourth Proportional to 7,873.50, 10,865.45 and 4,337.04

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Solution

The fourth proportional to 7,873.50, 10,865.45 and 4,337.04 is: 5,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.50 : 10,865.45 = 4,337.04 : x
  2. Step 2: Convert to fraction form
    7,873.50/10,865.45 = 4,337.04/x
  3. Step 3: Cross multiply
    7,873.50x = 10,865.45 × 4,337.04
  4. Step 4: Simplify right side
    7,873.50x = 47,123,869.58
  5. Step 5: Solve for x
    x = 47,123,869.58/7,873.50
  6. Step 6: Final answer
    x = 5,985.12

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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.