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Finding the Fourth Proportional to 10,012.01, 15,019.02 and 3,437.30

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Solution

The fourth proportional to 10,012.01, 15,019.02 and 3,437.30 is: 5,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.01 : 15,019.02 = 3,437.30 : x
  2. Step 2: Convert to fraction form
    10,012.01/15,019.02 = 3,437.30/x
  3. Step 3: Cross multiply
    10,012.01x = 15,019.02 × 3,437.30
  4. Step 4: Simplify right side
    10,012.01x = 51,624,914.99
  5. Step 5: Solve for x
    x = 51,624,914.99/10,012.01
  6. Step 6: Final answer
    x = 5,156.30

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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.