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Finding the Fourth Proportional to 61,705.82, 85,154.27 and 33,411.51

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Solution

The fourth proportional to 61,705.82, 85,154.27 and 33,411.51 is: 46,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,705.82 : 85,154.27 = 33,411.51 : x
  2. Step 2: Convert to fraction form
    61,705.82/85,154.27 = 33,411.51/x
  3. Step 3: Cross multiply
    61,705.82x = 85,154.27 × 33,411.51
  4. Step 4: Simplify right side
    61,705.82x = 2,845,132,576.59
  5. Step 5: Solve for x
    x = 2,845,132,576.59/61,705.82
  6. Step 6: Final answer
    x = 46,108.01

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Double scale
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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.