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Finding the Fourth Proportional to 62,818, 86,688.84 and 34,525.51

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Solution

The fourth proportional to 62,818, 86,688.84 and 34,525.51 is: 47,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,818 : 86,688.84 = 34,525.51 : x
  2. Step 2: Convert to fraction form
    62,818/86,688.84 = 34,525.51/x
  3. Step 3: Cross multiply
    62,818x = 86,688.84 × 34,525.51
  4. Step 4: Simplify right side
    62,818x = 2,992,976,412.31
  5. Step 5: Solve for x
    x = 2,992,976,412.31/62,818
  6. Step 6: Final answer
    x = 47,645.20

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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.