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Finding the Fourth Proportional to 53,309.59, 73,566.74 and 29,435.74

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Solution

The fourth proportional to 53,309.59, 73,566.74 and 29,435.74 is: 40,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,309.59 : 73,566.74 = 29,435.74 : x
  2. Step 2: Convert to fraction form
    53,309.59/73,566.74 = 29,435.74/x
  3. Step 3: Cross multiply
    53,309.59x = 73,566.74 × 29,435.74
  4. Step 4: Simplify right side
    53,309.59x = 2,165,491,320.96
  5. Step 5: Solve for x
    x = 2,165,491,320.96/53,309.59
  6. Step 6: Final answer
    x = 40,621.05

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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.