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Finding the Fourth Proportional to 25,476.98, 35,133.48 and 19,801.71

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Solution

The fourth proportional to 25,476.98, 35,133.48 and 19,801.71 is: 27,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.98 : 35,133.48 = 19,801.71 : x
  2. Step 2: Convert to fraction form
    25,476.98/35,133.48 = 19,801.71/x
  3. Step 3: Cross multiply
    25,476.98x = 35,133.48 × 19,801.71
  4. Step 4: Simplify right side
    25,476.98x = 695,702,982.25
  5. Step 5: Solve for x
    x = 695,702,982.25/25,476.98
  6. Step 6: Final answer
    x = 27,307.13

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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.