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Finding the Fourth Proportional to 56,302.81, 77,713.77 and 33,657.64

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Solution

The fourth proportional to 56,302.81, 77,713.77 and 33,657.64 is: 46,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,302.81 : 77,713.77 = 33,657.64 : x
  2. Step 2: Convert to fraction form
    56,302.81/77,713.77 = 33,657.64/x
  3. Step 3: Cross multiply
    56,302.81x = 77,713.77 × 33,657.64
  4. Step 4: Simplify right side
    56,302.81x = 2,615,662,093.70
  5. Step 5: Solve for x
    x = 2,615,662,093.70/56,302.81
  6. Step 6: Final answer
    x = 46,457.04

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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.