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Finding the Fourth Proportional to 61,351, 92,048.10 and 30,208.12

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Solution

The fourth proportional to 61,351, 92,048.10 and 30,208.12 is: 45,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,351 : 92,048.10 = 30,208.12 : x
  2. Step 2: Convert to fraction form
    61,351/92,048.10 = 30,208.12/x
  3. Step 3: Cross multiply
    61,351x = 92,048.10 × 30,208.12
  4. Step 4: Simplify right side
    61,351x = 2,780,600,050.57
  5. Step 5: Solve for x
    x = 2,780,600,050.57/61,351
  6. Step 6: Final answer
    x = 45,322.82

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1.5x scale

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.