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Finding the Fourth Proportional to 69,647.50, 104,512.76 and 25,277.72

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Solution

The fourth proportional to 69,647.50, 104,512.76 and 25,277.72 is: 37,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,647.50 : 104,512.76 = 25,277.72 : x
  2. Step 2: Convert to fraction form
    69,647.50/104,512.76 = 25,277.72/x
  3. Step 3: Cross multiply
    69,647.50x = 104,512.76 × 25,277.72
  4. Step 4: Simplify right side
    69,647.50x = 2,641,844,283.71
  5. Step 5: Solve for x
    x = 2,641,844,283.71/69,647.50
  6. Step 6: Final answer
    x = 37,931.65

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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.