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Finding the Fourth Proportional to 1,713.15, 2,368.76 and 1,494.45

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Solution

The fourth proportional to 1,713.15, 2,368.76 and 1,494.45 is: 2,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.15 : 2,368.76 = 1,494.45 : x
  2. Step 2: Convert to fraction form
    1,713.15/2,368.76 = 1,494.45/x
  3. Step 3: Cross multiply
    1,713.15x = 2,368.76 × 1,494.45
  4. Step 4: Simplify right side
    1,713.15x = 3,539,993.38
  5. Step 5: Solve for x
    x = 3,539,993.38/1,713.15
  6. Step 6: Final answer
    x = 2,066.37

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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.