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Finding the Fourth Proportional to 14,307.93, 21,462 and 4,446.99

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Solution

The fourth proportional to 14,307.93, 21,462 and 4,446.99 is: 6,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.93 : 21,462 = 4,446.99 : x
  2. Step 2: Convert to fraction form
    14,307.93/21,462 = 4,446.99/x
  3. Step 3: Cross multiply
    14,307.93x = 21,462 × 4,446.99
  4. Step 4: Simplify right side
    14,307.93x = 95,441,299.38
  5. Step 5: Solve for x
    x = 95,441,299.38/14,307.93
  6. Step 6: Final answer
    x = 6,670.52

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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.