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Finding the Fourth Proportional to 25,261, 34,860.90 and 14,083.72

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Solution

The fourth proportional to 25,261, 34,860.90 and 14,083.72 is: 19,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261 : 34,860.90 = 14,083.72 : x
  2. Step 2: Convert to fraction form
    25,261/34,860.90 = 14,083.72/x
  3. Step 3: Cross multiply
    25,261x = 34,860.90 × 14,083.72
  4. Step 4: Simplify right side
    25,261x = 490,971,154.55
  5. Step 5: Solve for x
    x = 490,971,154.55/25,261
  6. Step 6: Final answer
    x = 19,435.94

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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.