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Finding the Fourth Proportional to 61,922.48, 85,454.70 and 36,430.52

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Solution

The fourth proportional to 61,922.48, 85,454.70 and 36,430.52 is: 50,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,922.48 : 85,454.70 = 36,430.52 : x
  2. Step 2: Convert to fraction form
    61,922.48/85,454.70 = 36,430.52/x
  3. Step 3: Cross multiply
    61,922.48x = 85,454.70 × 36,430.52
  4. Step 4: Simplify right side
    61,922.48x = 3,113,159,157.44
  5. Step 5: Solve for x
    x = 3,113,159,157.44/61,922.48
  6. Step 6: Final answer
    x = 50,275.10

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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.