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Finding the Fourth Proportional to 52,368.53, 78,540.91 and 14,927.76

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Solution

The fourth proportional to 52,368.53, 78,540.91 and 14,927.76 is: 22,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,368.53 : 78,540.91 = 14,927.76 : x
  2. Step 2: Convert to fraction form
    52,368.53/78,540.91 = 14,927.76/x
  3. Step 3: Cross multiply
    52,368.53x = 78,540.91 × 14,927.76
  4. Step 4: Simplify right side
    52,368.53x = 1,172,439,817.34
  5. Step 5: Solve for x
    x = 1,172,439,817.34/52,368.53
  6. Step 6: Final answer
    x = 22,388.25

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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.