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Finding the Fourth Proportional to 53,382.65, 73,665.11 and 29,507.76

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Solution

The fourth proportional to 53,382.65, 73,665.11 and 29,507.76 is: 40,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,382.65 : 73,665.11 = 29,507.76 : x
  2. Step 2: Convert to fraction form
    53,382.65/73,665.11 = 29,507.76/x
  3. Step 3: Cross multiply
    53,382.65x = 73,665.11 × 29,507.76
  4. Step 4: Simplify right side
    53,382.65x = 2,173,692,460.02
  5. Step 5: Solve for x
    x = 2,173,692,460.02/53,382.65
  6. Step 6: Final answer
    x = 40,719.09

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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.