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Finding the Fourth Proportional to 65,602.64, 90,532.68 and 35,794.64

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Solution

The fourth proportional to 65,602.64, 90,532.68 and 35,794.64 is: 49,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,602.64 : 90,532.68 = 35,794.64 : x
  2. Step 2: Convert to fraction form
    65,602.64/90,532.68 = 35,794.64/x
  3. Step 3: Cross multiply
    65,602.64x = 90,532.68 × 35,794.64
  4. Step 4: Simplify right side
    65,602.64x = 3,240,584,688.84
  5. Step 5: Solve for x
    x = 3,240,584,688.84/65,602.64
  6. Step 6: Final answer
    x = 49,397.17

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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.