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Finding the Fourth Proportional to 55,483.70, 83,237.88 and 25,885.39

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Solution

The fourth proportional to 55,483.70, 83,237.88 and 25,885.39 is: 38,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,483.70 : 83,237.88 = 25,885.39 : x
  2. Step 2: Convert to fraction form
    55,483.70/83,237.88 = 25,885.39/x
  3. Step 3: Cross multiply
    55,483.70x = 83,237.88 × 25,885.39
  4. Step 4: Simplify right side
    55,483.70x = 2,154,644,570.38
  5. Step 5: Solve for x
    x = 2,154,644,570.38/55,483.70
  6. Step 6: Final answer
    x = 38,833.83

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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.