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Finding the Fourth Proportional to 69,913.71, 96,482.79 and 38,084.67

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Solution

The fourth proportional to 69,913.71, 96,482.79 and 38,084.67 is: 52,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,913.71 : 96,482.79 = 38,084.67 : x
  2. Step 2: Convert to fraction form
    69,913.71/96,482.79 = 38,084.67/x
  3. Step 3: Cross multiply
    69,913.71x = 96,482.79 × 38,084.67
  4. Step 4: Simplify right side
    69,913.71x = 3,674,515,217.83
  5. Step 5: Solve for x
    x = 3,674,515,217.83/69,913.71
  6. Step 6: Final answer
    x = 52,557.86

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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.