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Finding the Fourth Proportional to 64,467.95, 88,968.34 and 35,397.47

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Solution

The fourth proportional to 64,467.95, 88,968.34 and 35,397.47 is: 48,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.95 : 88,968.34 = 35,397.47 : x
  2. Step 2: Convert to fraction form
    64,467.95/88,968.34 = 35,397.47/x
  3. Step 3: Cross multiply
    64,467.95x = 88,968.34 × 35,397.47
  4. Step 4: Simplify right side
    64,467.95x = 3,149,254,146.10
  5. Step 5: Solve for x
    x = 3,149,254,146.10/64,467.95
  6. Step 6: Final answer
    x = 48,849.92

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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.