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Finding the Fourth Proportional to 64,283.62, 88,708.93 and 35,211.52

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Solution

The fourth proportional to 64,283.62, 88,708.93 and 35,211.52 is: 48,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,283.62 : 88,708.93 = 35,211.52 : x
  2. Step 2: Convert to fraction form
    64,283.62/88,708.93 = 35,211.52/x
  3. Step 3: Cross multiply
    64,283.62x = 88,708.93 × 35,211.52
  4. Step 4: Simplify right side
    64,283.62x = 3,123,576,262.87
  5. Step 5: Solve for x
    x = 3,123,576,262.87/64,283.62
  6. Step 6: Final answer
    x = 48,590.55

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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.