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Finding the Fourth Proportional to 56,181.96, 77,466.42 and 38,287.80

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Solution

The fourth proportional to 56,181.96, 77,466.42 and 38,287.80 is: 52,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181.96 : 77,466.42 = 38,287.80 : x
  2. Step 2: Convert to fraction form
    56,181.96/77,466.42 = 38,287.80/x
  3. Step 3: Cross multiply
    56,181.96x = 77,466.42 × 38,287.80
  4. Step 4: Simplify right side
    56,181.96x = 2,966,018,795.68
  5. Step 5: Solve for x
    x = 2,966,018,795.68/56,181.96
  6. Step 6: Final answer
    x = 52,793.08

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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.