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Finding the Fourth Proportional to 62,964, 86,888.28 and 34,668.96

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Solution

The fourth proportional to 62,964, 86,888.28 and 34,668.96 is: 47,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,964 : 86,888.28 = 34,668.96 : x
  2. Step 2: Convert to fraction form
    62,964/86,888.28 = 34,668.96/x
  3. Step 3: Cross multiply
    62,964x = 86,888.28 × 34,668.96
  4. Step 4: Simplify right side
    62,964x = 3,012,326,303.79
  5. Step 5: Solve for x
    x = 3,012,326,303.79/62,964
  6. Step 6: Final answer
    x = 47,842.04

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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.