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Finding the Fourth Proportional to 4,995.48, 7,494.12 and 1,707.78

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Solution

The fourth proportional to 4,995.48, 7,494.12 and 1,707.78 is: 2,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.48 : 7,494.12 = 1,707.78 : x
  2. Step 2: Convert to fraction form
    4,995.48/7,494.12 = 1,707.78/x
  3. Step 3: Cross multiply
    4,995.48x = 7,494.12 × 1,707.78
  4. Step 4: Simplify right side
    4,995.48x = 12,798,308.25
  5. Step 5: Solve for x
    x = 12,798,308.25/4,995.48
  6. Step 6: Final answer
    x = 2,561.98

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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.