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Finding the Fourth Proportional to 51,662.92, 77,484.12 and 14,213.32

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Solution

The fourth proportional to 51,662.92, 77,484.12 and 14,213.32 is: 21,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,662.92 : 77,484.12 = 14,213.32 : x
  2. Step 2: Convert to fraction form
    51,662.92/77,484.12 = 14,213.32/x
  3. Step 3: Cross multiply
    51,662.92x = 77,484.12 × 14,213.32
  4. Step 4: Simplify right side
    51,662.92x = 1,101,306,592.48
  5. Step 5: Solve for x
    x = 1,101,306,592.48/51,662.92
  6. Step 6: Final answer
    x = 21,317.16

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1.5x scale

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.