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Finding the Fourth Proportional to 25,345.80, 38,030.62 and 17,029.80

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Solution

The fourth proportional to 25,345.80, 38,030.62 and 17,029.80 is: 25,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.80 : 38,030.62 = 17,029.80 : x
  2. Step 2: Convert to fraction form
    25,345.80/38,030.62 = 17,029.80/x
  3. Step 3: Cross multiply
    25,345.80x = 38,030.62 × 17,029.80
  4. Step 4: Simplify right side
    25,345.80x = 647,653,852.48
  5. Step 5: Solve for x
    x = 647,653,852.48/25,345.80
  6. Step 6: Final answer
    x = 25,552.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.