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Finding the Fourth Proportional to 29,506.68, 40,723.56 and 19,433.52

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Solution

The fourth proportional to 29,506.68, 40,723.56 and 19,433.52 is: 26,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,506.68 : 40,723.56 = 19,433.52 : x
  2. Step 2: Convert to fraction form
    29,506.68/40,723.56 = 19,433.52/x
  3. Step 3: Cross multiply
    29,506.68x = 40,723.56 × 19,433.52
  4. Step 4: Simplify right side
    29,506.68x = 791,402,117.73
  5. Step 5: Solve for x
    x = 791,402,117.73/29,506.68
  6. Step 6: Final answer
    x = 26,821.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.