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Finding the Fourth Proportional to 8,897.95, 13,334.63 and 7,574.82

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Solution

The fourth proportional to 8,897.95, 13,334.63 and 7,574.82 is: 11,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.95 : 13,334.63 = 7,574.82 : x
  2. Step 2: Convert to fraction form
    8,897.95/13,334.63 = 7,574.82/x
  3. Step 3: Cross multiply
    8,897.95x = 13,334.63 × 7,574.82
  4. Step 4: Simplify right side
    8,897.95x = 101,007,334.14
  5. Step 5: Solve for x
    x = 101,007,334.14/8,897.95
  6. Step 6: Final answer
    x = 11,351.75

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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.