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Finding the Fourth Proportional to 25,587.99, 38,368.60 and 8,053.11

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Solution

The fourth proportional to 25,587.99, 38,368.60 and 8,053.11 is: 12,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.99 : 38,368.60 = 8,053.11 : x
  2. Step 2: Convert to fraction form
    25,587.99/38,368.60 = 8,053.11/x
  3. Step 3: Cross multiply
    25,587.99x = 38,368.60 × 8,053.11
  4. Step 4: Simplify right side
    25,587.99x = 308,986,556.35
  5. Step 5: Solve for x
    x = 308,986,556.35/25,587.99
  6. Step 6: Final answer
    x = 12,075.45

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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.