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Finding the Fourth Proportional to 17,970.19, 26,774.69 and 16,964.17

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Solution

The fourth proportional to 17,970.19, 26,774.69 and 16,964.17 is: 25,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.19 : 26,774.69 = 16,964.17 : x
  2. Step 2: Convert to fraction form
    17,970.19/26,774.69 = 16,964.17/x
  3. Step 3: Cross multiply
    17,970.19x = 26,774.69 × 16,964.17
  4. Step 4: Simplify right side
    17,970.19x = 454,210,241.10
  5. Step 5: Solve for x
    x = 454,210,241.10/17,970.19
  6. Step 6: Final answer
    x = 25,275.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.