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Finding the Fourth Proportional to 70,607.52, 97,440.08 and 38,777.10

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Solution

The fourth proportional to 70,607.52, 97,440.08 and 38,777.10 is: 53,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,607.52 : 97,440.08 = 38,777.10 : x
  2. Step 2: Convert to fraction form
    70,607.52/97,440.08 = 38,777.10/x
  3. Step 3: Cross multiply
    70,607.52x = 97,440.08 × 38,777.10
  4. Step 4: Simplify right side
    70,607.52x = 3,778,444,043.56
  5. Step 5: Solve for x
    x = 3,778,444,043.56/70,607.52
  6. Step 6: Final answer
    x = 53,513.34

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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.