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Finding the Fourth Proportional to 70,774.69, 97,673.21 and 40,569.37

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Solution

The fourth proportional to 70,774.69, 97,673.21 and 40,569.37 is: 55,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,774.69 : 97,673.21 = 40,569.37 : x
  2. Step 2: Convert to fraction form
    70,774.69/97,673.21 = 40,569.37/x
  3. Step 3: Cross multiply
    70,774.69x = 97,673.21 × 40,569.37
  4. Step 4: Simplify right side
    70,774.69x = 3,962,540,595.58
  5. Step 5: Solve for x
    x = 3,962,540,595.58/70,774.69
  6. Step 6: Final answer
    x = 55,988.10

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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.