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Finding the Fourth Proportional to 56,719.66, 78,277.66 and 32,846.76

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Solution

The fourth proportional to 56,719.66, 78,277.66 and 32,846.76 is: 45,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,719.66 : 78,277.66 = 32,846.76 : x
  2. Step 2: Convert to fraction form
    56,719.66/78,277.66 = 32,846.76/x
  3. Step 3: Cross multiply
    56,719.66x = 78,277.66 × 32,846.76
  4. Step 4: Simplify right side
    56,719.66x = 2,571,167,511.38
  5. Step 5: Solve for x
    x = 2,571,167,511.38/56,719.66
  6. Step 6: Final answer
    x = 45,331.15

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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.