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Finding the Fourth Proportional to 14,477, 21,715.59 and 4,088.84

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Solution

The fourth proportional to 14,477, 21,715.59 and 4,088.84 is: 6,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477 : 21,715.59 = 4,088.84 : x
  2. Step 2: Convert to fraction form
    14,477/21,715.59 = 4,088.84/x
  3. Step 3: Cross multiply
    14,477x = 21,715.59 × 4,088.84
  4. Step 4: Simplify right side
    14,477x = 88,791,573.02
  5. Step 5: Solve for x
    x = 88,791,573.02/14,477
  6. Step 6: Final answer
    x = 6,133.29

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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.