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Finding the Fourth Proportional to 25,281.34, 34,888 and 13,950.94

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Solution

The fourth proportional to 25,281.34, 34,888 and 13,950.94 is: 19,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.34 : 34,888 = 13,950.94 : x
  2. Step 2: Convert to fraction form
    25,281.34/34,888 = 13,950.94/x
  3. Step 3: Cross multiply
    25,281.34x = 34,888 × 13,950.94
  4. Step 4: Simplify right side
    25,281.34x = 486,720,394.72
  5. Step 5: Solve for x
    x = 486,720,394.72/25,281.34
  6. Step 6: Final answer
    x = 19,252.16

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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.