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Finding the Fourth Proportional to 65,358.88, 98,055.60 and 34,185.76

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Solution

The fourth proportional to 65,358.88, 98,055.60 and 34,185.76 is: 51,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,358.88 : 98,055.60 = 34,185.76 : x
  2. Step 2: Convert to fraction form
    65,358.88/98,055.60 = 34,185.76/x
  3. Step 3: Cross multiply
    65,358.88x = 98,055.60 × 34,185.76
  4. Step 4: Simplify right side
    65,358.88x = 3,352,105,208.26
  5. Step 5: Solve for x
    x = 3,352,105,208.26/65,358.88
  6. Step 6: Final answer
    x = 51,287.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.