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Finding the Fourth Proportional to 14,848.66, 20,486.13 and 8,797.01

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Solution

The fourth proportional to 14,848.66, 20,486.13 and 8,797.01 is: 12,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.66 : 20,486.13 = 8,797.01 : x
  2. Step 2: Convert to fraction form
    14,848.66/20,486.13 = 8,797.01/x
  3. Step 3: Cross multiply
    14,848.66x = 20,486.13 × 8,797.01
  4. Step 4: Simplify right side
    14,848.66x = 180,216,646.49
  5. Step 5: Solve for x
    x = 180,216,646.49/14,848.66
  6. Step 6: Final answer
    x = 12,136.90

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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.