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Finding the Fourth Proportional to 56,391.48, 77,814.59 and 33,725.93

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Solution

The fourth proportional to 56,391.48, 77,814.59 and 33,725.93 is: 46,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,391.48 : 77,814.59 = 33,725.93 : x
  2. Step 2: Convert to fraction form
    56,391.48/77,814.59 = 33,725.93/x
  3. Step 3: Cross multiply
    56,391.48x = 77,814.59 × 33,725.93
  4. Step 4: Simplify right side
    56,391.48x = 2,624,368,857.62
  5. Step 5: Solve for x
    x = 2,624,368,857.62/56,391.48
  6. Step 6: Final answer
    x = 46,538.39

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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.