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Finding the Fourth Proportional to 65,802.65, 98,754.73 and 48,973.68

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Solution

The fourth proportional to 65,802.65, 98,754.73 and 48,973.68 is: 73,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,802.65 : 98,754.73 = 48,973.68 : x
  2. Step 2: Convert to fraction form
    65,802.65/98,754.73 = 48,973.68/x
  3. Step 3: Cross multiply
    65,802.65x = 98,754.73 × 48,973.68
  4. Step 4: Simplify right side
    65,802.65x = 4,836,382,423.07
  5. Step 5: Solve for x
    x = 4,836,382,423.07/65,802.65
  6. Step 6: Final answer
    x = 73,498.30

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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.