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Finding the Fourth Proportional to 14,374.17, 21,554.01 and 4,377

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Solution

The fourth proportional to 14,374.17, 21,554.01 and 4,377 is: 6,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.17 : 21,554.01 = 4,377 : x
  2. Step 2: Convert to fraction form
    14,374.17/21,554.01 = 4,377/x
  3. Step 3: Cross multiply
    14,374.17x = 21,554.01 × 4,377
  4. Step 4: Simplify right side
    14,374.17x = 94,341,901.77
  5. Step 5: Solve for x
    x = 94,341,901.77/14,374.17
  6. Step 6: Final answer
    x = 6,563.29

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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.