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Finding the Fourth Proportional to 61,423.80, 91,988.04 and 35,048.58

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Solution

The fourth proportional to 61,423.80, 91,988.04 and 35,048.58 is: 52,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,423.80 : 91,988.04 = 35,048.58 : x
  2. Step 2: Convert to fraction form
    61,423.80/91,988.04 = 35,048.58/x
  3. Step 3: Cross multiply
    61,423.80x = 91,988.04 × 35,048.58
  4. Step 4: Simplify right side
    61,423.80x = 3,224,050,178.98
  5. Step 5: Solve for x
    x = 3,224,050,178.98/61,423.80
  6. Step 6: Final answer
    x = 52,488.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.