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Finding the Fourth Proportional to 60,604, 83,645.12 and 34,108

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Solution

The fourth proportional to 60,604, 83,645.12 and 34,108 is: 47,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604 : 83,645.12 = 34,108 : x
  2. Step 2: Convert to fraction form
    60,604/83,645.12 = 34,108/x
  3. Step 3: Cross multiply
    60,604x = 83,645.12 × 34,108
  4. Step 4: Simplify right side
    60,604x = 2,852,967,752.96
  5. Step 5: Solve for x
    x = 2,852,967,752.96/60,604
  6. Step 6: Final answer
    x = 47,075.57

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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.