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Finding the Fourth Proportional to 22,969.73, 34,410.76 and 15,561.47

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Solution

The fourth proportional to 22,969.73, 34,410.76 and 15,561.47 is: 23,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969.73 : 34,410.76 = 15,561.47 : x
  2. Step 2: Convert to fraction form
    22,969.73/34,410.76 = 15,561.47/x
  3. Step 3: Cross multiply
    22,969.73x = 34,410.76 × 15,561.47
  4. Step 4: Simplify right side
    22,969.73x = 535,482,009.42
  5. Step 5: Solve for x
    x = 535,482,009.42/22,969.73
  6. Step 6: Final answer
    x = 23,312.51

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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.