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Finding the Fourth Proportional to 56,572.61, 84,861.74 and 14,453.01

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Solution

The fourth proportional to 56,572.61, 84,861.74 and 14,453.01 is: 21,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,572.61 : 84,861.74 = 14,453.01 : x
  2. Step 2: Convert to fraction form
    56,572.61/84,861.74 = 14,453.01/x
  3. Step 3: Cross multiply
    56,572.61x = 84,861.74 × 14,453.01
  4. Step 4: Simplify right side
    56,572.61x = 1,226,507,612.97
  5. Step 5: Solve for x
    x = 1,226,507,612.97/56,572.61
  6. Step 6: Final answer
    x = 21,680.24

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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.