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Finding the Fourth Proportional to 56,659.84, 84,989.76 and 26,987.76

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Solution

The fourth proportional to 56,659.84, 84,989.76 and 26,987.76 is: 40,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,659.84 : 84,989.76 = 26,987.76 : x
  2. Step 2: Convert to fraction form
    56,659.84/84,989.76 = 26,987.76/x
  3. Step 3: Cross multiply
    56,659.84x = 84,989.76 × 26,987.76
  4. Step 4: Simplify right side
    56,659.84x = 2,293,683,245.34
  5. Step 5: Solve for x
    x = 2,293,683,245.34/56,659.84
  6. Step 6: Final answer
    x = 40,481.64

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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.