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Finding the Fourth Proportional to 14,774.75, 22,075.59 and 14,257.97

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Solution

The fourth proportional to 14,774.75, 22,075.59 and 14,257.97 is: 21,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.75 : 22,075.59 = 14,257.97 : x
  2. Step 2: Convert to fraction form
    14,774.75/22,075.59 = 14,257.97/x
  3. Step 3: Cross multiply
    14,774.75x = 22,075.59 × 14,257.97
  4. Step 4: Simplify right side
    14,774.75x = 314,753,099.95
  5. Step 5: Solve for x
    x = 314,753,099.95/14,774.75
  6. Step 6: Final answer
    x = 21,303.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.