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Finding the Fourth Proportional to 56,373.48, 77,789.74 and 33,707.93

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Solution

The fourth proportional to 56,373.48, 77,789.74 and 33,707.93 is: 46,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,373.48 : 77,789.74 = 33,707.93 : x
  2. Step 2: Convert to fraction form
    56,373.48/77,789.74 = 33,707.93/x
  3. Step 3: Cross multiply
    56,373.48x = 77,789.74 × 33,707.93
  4. Step 4: Simplify right side
    56,373.48x = 2,622,131,110.64
  5. Step 5: Solve for x
    x = 2,622,131,110.64/56,373.48
  6. Step 6: Final answer
    x = 46,513.56

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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.