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Finding the Fourth Proportional to 61,343.94, 84,657.97 and 34,122.90

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Solution

The fourth proportional to 61,343.94, 84,657.97 and 34,122.90 is: 47,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,343.94 : 84,657.97 = 34,122.90 : x
  2. Step 2: Convert to fraction form
    61,343.94/84,657.97 = 34,122.90/x
  3. Step 3: Cross multiply
    61,343.94x = 84,657.97 × 34,122.90
  4. Step 4: Simplify right side
    61,343.94x = 2,888,775,444.51
  5. Step 5: Solve for x
    x = 2,888,775,444.51/61,343.94
  6. Step 6: Final answer
    x = 47,091.46

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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.