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Finding the Fourth Proportional to 25,071.76, 34,599.14 and 13,893.76

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Solution

The fourth proportional to 25,071.76, 34,599.14 and 13,893.76 is: 19,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,071.76 : 34,599.14 = 13,893.76 : x
  2. Step 2: Convert to fraction form
    25,071.76/34,599.14 = 13,893.76/x
  3. Step 3: Cross multiply
    25,071.76x = 34,599.14 × 13,893.76
  4. Step 4: Simplify right side
    25,071.76x = 480,712,147.37
  5. Step 5: Solve for x
    x = 480,712,147.37/25,071.76
  6. Step 6: Final answer
    x = 19,173.45

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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.