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Finding the Fourth Proportional to 75,292.96, 112,943.24 and 19,133.62

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Solution

The fourth proportional to 75,292.96, 112,943.24 and 19,133.62 is: 28,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,292.96 : 112,943.24 = 19,133.62 : x
  2. Step 2: Convert to fraction form
    75,292.96/112,943.24 = 19,133.62/x
  3. Step 3: Cross multiply
    75,292.96x = 112,943.24 × 19,133.62
  4. Step 4: Simplify right side
    75,292.96x = 2,161,013,035.73
  5. Step 5: Solve for x
    x = 2,161,013,035.73/75,292.96
  6. Step 6: Final answer
    x = 28,701.40

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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.