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Finding the Fourth Proportional to 54,366.52, 75,019.80 and 30,488.28

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Solution

The fourth proportional to 54,366.52, 75,019.80 and 30,488.28 is: 42,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,366.52 : 75,019.80 = 30,488.28 : x
  2. Step 2: Convert to fraction form
    54,366.52/75,019.80 = 30,488.28/x
  3. Step 3: Cross multiply
    54,366.52x = 75,019.80 × 30,488.28
  4. Step 4: Simplify right side
    54,366.52x = 2,287,224,667.94
  5. Step 5: Solve for x
    x = 2,287,224,667.94/54,366.52
  6. Step 6: Final answer
    x = 42,070.46

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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.