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Finding the Fourth Proportional to 61,169.90, 84,417.81 and 34,320.92

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Solution

The fourth proportional to 61,169.90, 84,417.81 and 34,320.92 is: 47,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,169.90 : 84,417.81 = 34,320.92 : x
  2. Step 2: Convert to fraction form
    61,169.90/84,417.81 = 34,320.92/x
  3. Step 3: Cross multiply
    61,169.90x = 84,417.81 × 34,320.92
  4. Step 4: Simplify right side
    61,169.90x = 2,897,296,903.59
  5. Step 5: Solve for x
    x = 2,897,296,903.59/61,169.90
  6. Step 6: Final answer
    x = 47,364.75

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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.