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Finding the Fourth Proportional to 64,263.59, 88,683.74 and 35,969.28

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Solution

The fourth proportional to 64,263.59, 88,683.74 and 35,969.28 is: 49,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,263.59 : 88,683.74 = 35,969.28 : x
  2. Step 2: Convert to fraction form
    64,263.59/88,683.74 = 35,969.28/x
  3. Step 3: Cross multiply
    64,263.59x = 88,683.74 × 35,969.28
  4. Step 4: Simplify right side
    64,263.59x = 3,189,890,095.66
  5. Step 5: Solve for x
    x = 3,189,890,095.66/64,263.59
  6. Step 6: Final answer
    x = 49,637.60

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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.