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Finding the Fourth Proportional to 64,188.42, 88,580.03 and 35,894.18

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Solution

The fourth proportional to 64,188.42, 88,580.03 and 35,894.18 is: 49,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,188.42 : 88,580.03 = 35,894.18 : x
  2. Step 2: Convert to fraction form
    64,188.42/88,580.03 = 35,894.18/x
  3. Step 3: Cross multiply
    64,188.42x = 88,580.03 × 35,894.18
  4. Step 4: Simplify right side
    64,188.42x = 3,179,506,918.85
  5. Step 5: Solve for x
    x = 3,179,506,918.85/64,188.42
  6. Step 6: Final answer
    x = 49,533.96

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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.