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Finding the Fourth Proportional to 65,807.71, 90,814.38 and 35,593.08

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Solution

The fourth proportional to 65,807.71, 90,814.38 and 35,593.08 is: 49,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,807.71 : 90,814.38 = 35,593.08 : x
  2. Step 2: Convert to fraction form
    65,807.71/90,814.38 = 35,593.08/x
  3. Step 3: Cross multiply
    65,807.71x = 90,814.38 × 35,593.08
  4. Step 4: Simplify right side
    65,807.71x = 3,232,363,492.49
  5. Step 5: Solve for x
    x = 3,232,363,492.49/65,807.71
  6. Step 6: Final answer
    x = 49,118.31

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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.