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Finding the Fourth Proportional to 45,386.96, 67,963.80 and 27,803.48

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Solution

The fourth proportional to 45,386.96, 67,963.80 and 27,803.48 is: 41,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,386.96 : 67,963.80 = 27,803.48 : x
  2. Step 2: Convert to fraction form
    45,386.96/67,963.80 = 27,803.48/x
  3. Step 3: Cross multiply
    45,386.96x = 67,963.80 × 27,803.48
  4. Step 4: Simplify right side
    45,386.96x = 1,889,630,154.02
  5. Step 5: Solve for x
    x = 1,889,630,154.02/45,386.96
  6. Step 6: Final answer
    x = 41,633.77

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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.