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Finding the Fourth Proportional to 3,417.95, 4,717.07 and 1,926.16

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Solution

The fourth proportional to 3,417.95, 4,717.07 and 1,926.16 is: 2,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.95 : 4,717.07 = 1,926.16 : x
  2. Step 2: Convert to fraction form
    3,417.95/4,717.07 = 1,926.16/x
  3. Step 3: Cross multiply
    3,417.95x = 4,717.07 × 1,926.16
  4. Step 4: Simplify right side
    3,417.95x = 9,085,817.35
  5. Step 5: Solve for x
    x = 9,085,817.35/3,417.95
  6. Step 6: Final answer
    x = 2,658.26

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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.