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Finding the Fourth Proportional to 65,798.19, 90,802.25 and 35,584.11

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Solution

The fourth proportional to 65,798.19, 90,802.25 and 35,584.11 is: 49,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,798.19 : 90,802.25 = 35,584.11 : x
  2. Step 2: Convert to fraction form
    65,798.19/90,802.25 = 35,584.11/x
  3. Step 3: Cross multiply
    65,798.19x = 90,802.25 × 35,584.11
  4. Step 4: Simplify right side
    65,798.19x = 3,231,117,207.77
  5. Step 5: Solve for x
    x = 3,231,117,207.77/65,798.19
  6. Step 6: Final answer
    x = 49,106.48

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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.