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Finding the Fourth Proportional to 64,460.54, 88,954.16 and 35,778.53

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Solution

The fourth proportional to 64,460.54, 88,954.16 and 35,778.53 is: 49,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,460.54 : 88,954.16 = 35,778.53 : x
  2. Step 2: Convert to fraction form
    64,460.54/88,954.16 = 35,778.53/x
  3. Step 3: Cross multiply
    64,460.54x = 88,954.16 × 35,778.53
  4. Step 4: Simplify right side
    64,460.54x = 3,182,649,082.18
  5. Step 5: Solve for x
    x = 3,182,649,082.18/64,460.54
  6. Step 6: Final answer
    x = 49,373.60

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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.