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Finding the Fourth Proportional to 19,773.34, 27,339.71 and 17,282.21

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Solution

The fourth proportional to 19,773.34, 27,339.71 and 17,282.21 is: 23,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.34 : 27,339.71 = 17,282.21 : x
  2. Step 2: Convert to fraction form
    19,773.34/27,339.71 = 17,282.21/x
  3. Step 3: Cross multiply
    19,773.34x = 27,339.71 × 17,282.21
  4. Step 4: Simplify right side
    19,773.34x = 472,490,386.45
  5. Step 5: Solve for x
    x = 472,490,386.45/19,773.34
  6. Step 6: Final answer
    x = 23,895.33

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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.