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Finding the Fourth Proportional to 10,300.99, 15,452.10 and 2,906.08

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Solution

The fourth proportional to 10,300.99, 15,452.10 and 2,906.08 is: 4,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.99 : 15,452.10 = 2,906.08 : x
  2. Step 2: Convert to fraction form
    10,300.99/15,452.10 = 2,906.08/x
  3. Step 3: Cross multiply
    10,300.99x = 15,452.10 × 2,906.08
  4. Step 4: Simplify right side
    10,300.99x = 44,905,038.77
  5. Step 5: Solve for x
    x = 44,905,038.77/10,300.99
  6. Step 6: Final answer
    x = 4,359.29

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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.