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Finding the Fourth Proportional to 10,035.42, 15,053.10 and 3,015.42

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Solution

The fourth proportional to 10,035.42, 15,053.10 and 3,015.42 is: 4,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.42 : 15,053.10 = 3,015.42 : x
  2. Step 2: Convert to fraction form
    10,035.42/15,053.10 = 3,015.42/x
  3. Step 3: Cross multiply
    10,035.42x = 15,053.10 × 3,015.42
  4. Step 4: Simplify right side
    10,035.42x = 45,391,418.80
  5. Step 5: Solve for x
    x = 45,391,418.80/10,035.42
  6. Step 6: Final answer
    x = 4,523.12

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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.