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Finding the Fourth Proportional to 23,572.30, 35,356.02 and 7,989.52

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Solution

The fourth proportional to 23,572.30, 35,356.02 and 7,989.52 is: 11,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,572.30 : 35,356.02 = 7,989.52 : x
  2. Step 2: Convert to fraction form
    23,572.30/35,356.02 = 7,989.52/x
  3. Step 3: Cross multiply
    23,572.30x = 35,356.02 × 7,989.52
  4. Step 4: Simplify right side
    23,572.30x = 282,477,628.91
  5. Step 5: Solve for x
    x = 282,477,628.91/23,572.30
  6. Step 6: Final answer
    x = 11,983.46

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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.