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Finding the Fourth Proportional to 2,935.98, 4,404.03 and 988.14

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Solution

The fourth proportional to 2,935.98, 4,404.03 and 988.14 is: 1,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.98 : 4,404.03 = 988.14 : x
  2. Step 2: Convert to fraction form
    2,935.98/4,404.03 = 988.14/x
  3. Step 3: Cross multiply
    2,935.98x = 4,404.03 × 988.14
  4. Step 4: Simplify right side
    2,935.98x = 4,351,798.20
  5. Step 5: Solve for x
    x = 4,351,798.20/2,935.98
  6. Step 6: Final answer
    x = 1,482.23

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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.