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Finding the Fourth Proportional to 2,467.45, 3,700.78 and 907.07

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Solution

The fourth proportional to 2,467.45, 3,700.78 and 907.07 is: 1,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.45 : 3,700.78 = 907.07 : x
  2. Step 2: Convert to fraction form
    2,467.45/3,700.78 = 907.07/x
  3. Step 3: Cross multiply
    2,467.45x = 3,700.78 × 907.07
  4. Step 4: Simplify right side
    2,467.45x = 3,356,866.51
  5. Step 5: Solve for x
    x = 3,356,866.51/2,467.45
  6. Step 6: Final answer
    x = 1,360.46

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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.