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Finding the Fourth Proportional to 61,897.98, 85,439.54 and 36,403.23

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Solution

The fourth proportional to 61,897.98, 85,439.54 and 36,403.23 is: 50,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.98 : 85,439.54 = 36,403.23 : x
  2. Step 2: Convert to fraction form
    61,897.98/85,439.54 = 36,403.23/x
  3. Step 3: Cross multiply
    61,897.98x = 85,439.54 × 36,403.23
  4. Step 4: Simplify right side
    61,897.98x = 3,110,275,637.12
  5. Step 5: Solve for x
    x = 3,110,275,637.12/61,897.98
  6. Step 6: Final answer
    x = 50,248.42

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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.