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Finding the Fourth Proportional to 67,501.71, 93,133.67 and 38,819.81

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Solution

The fourth proportional to 67,501.71, 93,133.67 and 38,819.81 is: 53,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,501.71 : 93,133.67 = 38,819.81 : x
  2. Step 2: Convert to fraction form
    67,501.71/93,133.67 = 38,819.81/x
  3. Step 3: Cross multiply
    67,501.71x = 93,133.67 × 38,819.81
  4. Step 4: Simplify right side
    67,501.71x = 3,615,431,412.74
  5. Step 5: Solve for x
    x = 3,615,431,412.74/67,501.71
  6. Step 6: Final answer
    x = 53,560.59

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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.