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Finding the Fourth Proportional to 61,625.97, 85,038.62 and 34,399.58

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Solution

The fourth proportional to 61,625.97, 85,038.62 and 34,399.58 is: 47,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,625.97 : 85,038.62 = 34,399.58 : x
  2. Step 2: Convert to fraction form
    61,625.97/85,038.62 = 34,399.58/x
  3. Step 3: Cross multiply
    61,625.97x = 85,038.62 × 34,399.58
  4. Step 4: Simplify right side
    61,625.97x = 2,925,292,214.59
  5. Step 5: Solve for x
    x = 2,925,292,214.59/61,625.97
  6. Step 6: Final answer
    x = 47,468.50

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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.