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Finding the Fourth Proportional to 14,597.72, 21,898.80 and 5,363

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Solution

The fourth proportional to 14,597.72, 21,898.80 and 5,363 is: 8,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,597.72 : 21,898.80 = 5,363 : x
  2. Step 2: Convert to fraction form
    14,597.72/21,898.80 = 5,363/x
  3. Step 3: Cross multiply
    14,597.72x = 21,898.80 × 5,363
  4. Step 4: Simplify right side
    14,597.72x = 117,443,264.40
  5. Step 5: Solve for x
    x = 117,443,264.40/14,597.72
  6. Step 6: Final answer
    x = 8,045.32

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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.