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Finding the Fourth Proportional to 56,478.08, 84,720.72 and 14,924

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Solution

The fourth proportional to 56,478.08, 84,720.72 and 14,924 is: 22,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,478.08 : 84,720.72 = 14,924 : x
  2. Step 2: Convert to fraction form
    56,478.08/84,720.72 = 14,924/x
  3. Step 3: Cross multiply
    56,478.08x = 84,720.72 × 14,924
  4. Step 4: Simplify right side
    56,478.08x = 1,264,372,025.28
  5. Step 5: Solve for x
    x = 1,264,372,025.28/56,478.08
  6. Step 6: Final answer
    x = 22,386.95

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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.