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Finding the Fourth Proportional to 62,152.44, 85,743.06 and 42,001.98

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Solution

The fourth proportional to 62,152.44, 85,743.06 and 42,001.98 is: 57,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,152.44 : 85,743.06 = 42,001.98 : x
  2. Step 2: Convert to fraction form
    62,152.44/85,743.06 = 42,001.98/x
  3. Step 3: Cross multiply
    62,152.44x = 85,743.06 × 42,001.98
  4. Step 4: Simplify right side
    62,152.44x = 3,601,378,291.26
  5. Step 5: Solve for x
    x = 3,601,378,291.26/62,152.44
  6. Step 6: Final answer
    x = 57,944.28

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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.