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Finding the Fourth Proportional to 10,598.70, 15,898.05 and 2,808.30

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Solution

The fourth proportional to 10,598.70, 15,898.05 and 2,808.30 is: 4,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598.70 : 15,898.05 = 2,808.30 : x
  2. Step 2: Convert to fraction form
    10,598.70/15,898.05 = 2,808.30/x
  3. Step 3: Cross multiply
    10,598.70x = 15,898.05 × 2,808.30
  4. Step 4: Simplify right side
    10,598.70x = 44,646,493.82
  5. Step 5: Solve for x
    x = 44,646,493.82/10,598.70
  6. Step 6: Final answer
    x = 4,212.45

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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.