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Finding the Fourth Proportional to 68,009.87, 93,851.79 and 37,794.44

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Solution

The fourth proportional to 68,009.87, 93,851.79 and 37,794.44 is: 52,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009.87 : 93,851.79 = 37,794.44 : x
  2. Step 2: Convert to fraction form
    68,009.87/93,851.79 = 37,794.44/x
  3. Step 3: Cross multiply
    68,009.87x = 93,851.79 × 37,794.44
  4. Step 4: Simplify right side
    68,009.87x = 3,547,075,846.05
  5. Step 5: Solve for x
    x = 3,547,075,846.05/68,009.87
  6. Step 6: Final answer
    x = 52,155.31

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1.5x scale

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.