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Finding the Fourth Proportional to 42,751.65, 64,071.55 and 22,987.65

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Solution

The fourth proportional to 42,751.65, 64,071.55 and 22,987.65 is: 34,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,751.65 : 64,071.55 = 22,987.65 : x
  2. Step 2: Convert to fraction form
    42,751.65/64,071.55 = 22,987.65/x
  3. Step 3: Cross multiply
    42,751.65x = 64,071.55 × 22,987.65
  4. Step 4: Simplify right side
    42,751.65x = 1,472,854,366.36
  5. Step 5: Solve for x
    x = 1,472,854,366.36/42,751.65
  6. Step 6: Final answer
    x = 34,451.40

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