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Finding the Fourth Proportional to 61,807.91, 92,711.86 and 22,355.80

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Solution

The fourth proportional to 61,807.91, 92,711.86 and 22,355.80 is: 33,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,807.91 : 92,711.86 = 22,355.80 : x
  2. Step 2: Convert to fraction form
    61,807.91/92,711.86 = 22,355.80/x
  3. Step 3: Cross multiply
    61,807.91x = 92,711.86 × 22,355.80
  4. Step 4: Simplify right side
    61,807.91x = 2,072,647,512.12
  5. Step 5: Solve for x
    x = 2,072,647,512.12/61,807.91
  6. Step 6: Final answer
    x = 33,533.69

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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.