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Finding the Fourth Proportional to 14,588.62, 21,904.80 and 8,355.68

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Solution

The fourth proportional to 14,588.62, 21,904.80 and 8,355.68 is: 12,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.62 : 21,904.80 = 8,355.68 : x
  2. Step 2: Convert to fraction form
    14,588.62/21,904.80 = 8,355.68/x
  3. Step 3: Cross multiply
    14,588.62x = 21,904.80 × 8,355.68
  4. Step 4: Simplify right side
    14,588.62x = 183,029,499.26
  5. Step 5: Solve for x
    x = 183,029,499.26/14,588.62
  6. Step 6: Final answer
    x = 12,546.05

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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.