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Finding the Fourth Proportional to 68,075.52, 93,937.02 and 37,855.98

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Solution

The fourth proportional to 68,075.52, 93,937.02 and 37,855.98 is: 52,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,075.52 : 93,937.02 = 37,855.98 : x
  2. Step 2: Convert to fraction form
    68,075.52/93,937.02 = 37,855.98/x
  3. Step 3: Cross multiply
    68,075.52x = 93,937.02 × 37,855.98
  4. Step 4: Simplify right side
    68,075.52x = 3,556,077,950.38
  5. Step 5: Solve for x
    x = 3,556,077,950.38/68,075.52
  6. Step 6: Final answer
    x = 52,237.25

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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.