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Finding the Fourth Proportional to 70,496.42, 97,291.29 and 38,671.52

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Solution

The fourth proportional to 70,496.42, 97,291.29 and 38,671.52 is: 53,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,496.42 : 97,291.29 = 38,671.52 : x
  2. Step 2: Convert to fraction form
    70,496.42/97,291.29 = 38,671.52/x
  3. Step 3: Cross multiply
    70,496.42x = 97,291.29 × 38,671.52
  4. Step 4: Simplify right side
    70,496.42x = 3,762,401,580.60
  5. Step 5: Solve for x
    x = 3,762,401,580.60/70,496.42
  6. Step 6: Final answer
    x = 53,370.11

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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.