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Finding the Fourth Proportional to 45,387.02, 67,949.04 and 37,907.48

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Solution

The fourth proportional to 45,387.02, 67,949.04 and 37,907.48 is: 56,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.02 : 67,949.04 = 37,907.48 : x
  2. Step 2: Convert to fraction form
    45,387.02/67,949.04 = 37,907.48/x
  3. Step 3: Cross multiply
    45,387.02x = 67,949.04 × 37,907.48
  4. Step 4: Simplify right side
    45,387.02x = 2,575,776,874.82
  5. Step 5: Solve for x
    x = 2,575,776,874.82/45,387.02
  6. Step 6: Final answer
    x = 56,751.40

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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.