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Finding the Fourth Proportional to 61,608.51, 85,019.68 and 33,314.13

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Solution

The fourth proportional to 61,608.51, 85,019.68 and 33,314.13 is: 45,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.51 : 85,019.68 = 33,314.13 : x
  2. Step 2: Convert to fraction form
    61,608.51/85,019.68 = 33,314.13/x
  3. Step 3: Cross multiply
    61,608.51x = 85,019.68 × 33,314.13
  4. Step 4: Simplify right side
    61,608.51x = 2,832,356,672.08
  5. Step 5: Solve for x
    x = 2,832,356,672.08/61,608.51
  6. Step 6: Final answer
    x = 45,973.46

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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.