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Finding the Fourth Proportional to 54,798.88, 75,581.76 and 33,288.52

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Solution

The fourth proportional to 54,798.88, 75,581.76 and 33,288.52 is: 45,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,798.88 : 75,581.76 = 33,288.52 : x
  2. Step 2: Convert to fraction form
    54,798.88/75,581.76 = 33,288.52/x
  3. Step 3: Cross multiply
    54,798.88x = 75,581.76 × 33,288.52
  4. Step 4: Simplify right side
    54,798.88x = 2,516,004,929.40
  5. Step 5: Solve for x
    x = 2,516,004,929.40/54,798.88
  6. Step 6: Final answer
    x = 45,913.44

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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.