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Finding the Fourth Proportional to 56,100.50, 77,409.16 and 33,439.08

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Solution

The fourth proportional to 56,100.50, 77,409.16 and 33,439.08 is: 46,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100.50 : 77,409.16 = 33,439.08 : x
  2. Step 2: Convert to fraction form
    56,100.50/77,409.16 = 33,439.08/x
  3. Step 3: Cross multiply
    56,100.50x = 77,409.16 × 33,439.08
  4. Step 4: Simplify right side
    56,100.50x = 2,588,491,093.97
  5. Step 5: Solve for x
    x = 2,588,491,093.97/56,100.50
  6. Step 6: Final answer
    x = 46,140.25

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1.5x scale

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.