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Finding the Fourth Proportional to 50,959.68, 70,358.64 and 39,001.68

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Solution

The fourth proportional to 50,959.68, 70,358.64 and 39,001.68 is: 53,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,959.68 : 70,358.64 = 39,001.68 : x
  2. Step 2: Convert to fraction form
    50,959.68/70,358.64 = 39,001.68/x
  3. Step 3: Cross multiply
    50,959.68x = 70,358.64 × 39,001.68
  4. Step 4: Simplify right side
    50,959.68x = 2,744,105,162.52
  5. Step 5: Solve for x
    x = 2,744,105,162.52/50,959.68
  6. Step 6: Final answer
    x = 53,848.56

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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.