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Finding the Fourth Proportional to 62,881.48, 86,777.86 and 34,588.68

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Solution

The fourth proportional to 62,881.48, 86,777.86 and 34,588.68 is: 47,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,881.48 : 86,777.86 = 34,588.68 : x
  2. Step 2: Convert to fraction form
    62,881.48/86,777.86 = 34,588.68/x
  3. Step 3: Cross multiply
    62,881.48x = 86,777.86 × 34,588.68
  4. Step 4: Simplify right side
    62,881.48x = 3,001,531,630.62
  5. Step 5: Solve for x
    x = 3,001,531,630.62/62,881.48
  6. Step 6: Final answer
    x = 47,733.16

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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.