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Finding the Fourth Proportional to 54,594.48, 75,339.48 and 30,721.14

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Solution

The fourth proportional to 54,594.48, 75,339.48 and 30,721.14 is: 42,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,594.48 : 75,339.48 = 30,721.14 : x
  2. Step 2: Convert to fraction form
    54,594.48/75,339.48 = 30,721.14/x
  3. Step 3: Cross multiply
    54,594.48x = 75,339.48 × 30,721.14
  4. Step 4: Simplify right side
    54,594.48x = 2,314,514,712.61
  5. Step 5: Solve for x
    x = 2,314,514,712.61/54,594.48
  6. Step 6: Final answer
    x = 42,394.67

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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.