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Finding the Fourth Proportional to 10,622.10, 15,901.99 and 7,448.53

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Solution

The fourth proportional to 10,622.10, 15,901.99 and 7,448.53 is: 11,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.10 : 15,901.99 = 7,448.53 : x
  2. Step 2: Convert to fraction form
    10,622.10/15,901.99 = 7,448.53/x
  3. Step 3: Cross multiply
    10,622.10x = 15,901.99 × 7,448.53
  4. Step 4: Simplify right side
    10,622.10x = 118,446,458.89
  5. Step 5: Solve for x
    x = 118,446,458.89/10,622.10
  6. Step 6: Final answer
    x = 11,150.95

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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.