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Finding the Fourth Proportional to 56,110.70, 84,166.05 and 14,557.70

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Solution

The fourth proportional to 56,110.70, 84,166.05 and 14,557.70 is: 21,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,110.70 : 84,166.05 = 14,557.70 : x
  2. Step 2: Convert to fraction form
    56,110.70/84,166.05 = 14,557.70/x
  3. Step 3: Cross multiply
    56,110.70x = 84,166.05 × 14,557.70
  4. Step 4: Simplify right side
    56,110.70x = 1,225,264,106.09
  5. Step 5: Solve for x
    x = 1,225,264,106.09/56,110.70
  6. Step 6: Final answer
    x = 21,836.55

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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.