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Finding the Fourth Proportional to 61,599.92, 92,401.32 and 20,050.16

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Solution

The fourth proportional to 61,599.92, 92,401.32 and 20,050.16 is: 30,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.92 : 92,401.32 = 20,050.16 : x
  2. Step 2: Convert to fraction form
    61,599.92/92,401.32 = 20,050.16/x
  3. Step 3: Cross multiply
    61,599.92x = 92,401.32 × 20,050.16
  4. Step 4: Simplify right side
    61,599.92x = 1,852,661,250.21
  5. Step 5: Solve for x
    x = 1,852,661,250.21/61,599.92
  6. Step 6: Final answer
    x = 30,075.71

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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.