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Finding the Fourth Proportional to 25,777.51, 35,590.10 and 19,798.50

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Solution

The fourth proportional to 25,777.51, 35,590.10 and 19,798.50 is: 27,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.51 : 35,590.10 = 19,798.50 : x
  2. Step 2: Convert to fraction form
    25,777.51/35,590.10 = 19,798.50/x
  3. Step 3: Cross multiply
    25,777.51x = 35,590.10 × 19,798.50
  4. Step 4: Simplify right side
    25,777.51x = 704,630,594.85
  5. Step 5: Solve for x
    x = 704,630,594.85/25,777.51
  6. Step 6: Final answer
    x = 27,335.09

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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.