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Finding the Fourth Proportional to 14,404.80, 21,607.20 and 4,544.84

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Solution

The fourth proportional to 14,404.80, 21,607.20 and 4,544.84 is: 6,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.80 : 21,607.20 = 4,544.84 : x
  2. Step 2: Convert to fraction form
    14,404.80/21,607.20 = 4,544.84/x
  3. Step 3: Cross multiply
    14,404.80x = 21,607.20 × 4,544.84
  4. Step 4: Simplify right side
    14,404.80x = 98,201,158.81
  5. Step 5: Solve for x
    x = 98,201,158.81/14,404.80
  6. Step 6: Final answer
    x = 6,817.25

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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.