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Finding the Fourth Proportional to 56,809.48, 85,252.14 and 19,873.48

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Solution

The fourth proportional to 56,809.48, 85,252.14 and 19,873.48 is: 29,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,809.48 : 85,252.14 = 19,873.48 : x
  2. Step 2: Convert to fraction form
    56,809.48/85,252.14 = 19,873.48/x
  3. Step 3: Cross multiply
    56,809.48x = 85,252.14 × 19,873.48
  4. Step 4: Simplify right side
    56,809.48x = 1,694,256,699.25
  5. Step 5: Solve for x
    x = 1,694,256,699.25/56,809.48
  6. Step 6: Final answer
    x = 29,823.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.