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Finding the Fourth Proportional to 62,910.95, 86,802.86 and 45,924.44

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Solution

The fourth proportional to 62,910.95, 86,802.86 and 45,924.44 is: 63,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,910.95 : 86,802.86 = 45,924.44 : x
  2. Step 2: Convert to fraction form
    62,910.95/86,802.86 = 45,924.44/x
  3. Step 3: Cross multiply
    62,910.95x = 86,802.86 × 45,924.44
  4. Step 4: Simplify right side
    62,910.95x = 3,986,372,416.70
  5. Step 5: Solve for x
    x = 3,986,372,416.70/62,910.95
  6. Step 6: Final answer
    x = 63,365.32

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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.