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Finding the Fourth Proportional to 25,390.73, 35,038.77 and 14,060

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Solution

The fourth proportional to 25,390.73, 35,038.77 and 14,060 is: 19,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.73 : 35,038.77 = 14,060 : x
  2. Step 2: Convert to fraction form
    25,390.73/35,038.77 = 14,060/x
  3. Step 3: Cross multiply
    25,390.73x = 35,038.77 × 14,060
  4. Step 4: Simplify right side
    25,390.73x = 492,645,106.20
  5. Step 5: Solve for x
    x = 492,645,106.20/25,390.73
  6. Step 6: Final answer
    x = 19,402.56

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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.