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Finding the Fourth Proportional to 56,387.73, 77,813.12 and 33,714.94

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Solution

The fourth proportional to 56,387.73, 77,813.12 and 33,714.94 is: 46,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.73 : 77,813.12 = 33,714.94 : x
  2. Step 2: Convert to fraction form
    56,387.73/77,813.12 = 33,714.94/x
  3. Step 3: Cross multiply
    56,387.73x = 77,813.12 × 33,714.94
  4. Step 4: Simplify right side
    56,387.73x = 2,623,464,707.67
  5. Step 5: Solve for x
    x = 2,623,464,707.67/56,387.73
  6. Step 6: Final answer
    x = 46,525.46

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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.