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Finding the Fourth Proportional to 36,730.71, 50,688.36 and 19,963.71

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Solution

The fourth proportional to 36,730.71, 50,688.36 and 19,963.71 is: 27,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,730.71 : 50,688.36 = 19,963.71 : x
  2. Step 2: Convert to fraction form
    36,730.71/50,688.36 = 19,963.71/x
  3. Step 3: Cross multiply
    36,730.71x = 50,688.36 × 19,963.71
  4. Step 4: Simplify right side
    36,730.71x = 1,011,927,719.42
  5. Step 5: Solve for x
    x = 1,011,927,719.42/36,730.71
  6. Step 6: Final answer
    x = 27,549.91

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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.