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Finding the Fourth Proportional to 56,263.92, 77,677.91 and 35,071.89

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Solution

The fourth proportional to 56,263.92, 77,677.91 and 35,071.89 is: 48,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,263.92 : 77,677.91 = 35,071.89 : x
  2. Step 2: Convert to fraction form
    56,263.92/77,677.91 = 35,071.89/x
  3. Step 3: Cross multiply
    56,263.92x = 77,677.91 × 35,071.89
  4. Step 4: Simplify right side
    56,263.92x = 2,724,310,939.59
  5. Step 5: Solve for x
    x = 2,724,310,939.59/56,263.92
  6. Step 6: Final answer
    x = 48,420.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.