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Finding the Fourth Proportional to 54,486.60, 75,160.81 and 34,308.82

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Solution

The fourth proportional to 54,486.60, 75,160.81 and 34,308.82 is: 47,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,486.60 : 75,160.81 = 34,308.82 : x
  2. Step 2: Convert to fraction form
    54,486.60/75,160.81 = 34,308.82/x
  3. Step 3: Cross multiply
    54,486.60x = 75,160.81 × 34,308.82
  4. Step 4: Simplify right side
    54,486.60x = 2,578,678,701.34
  5. Step 5: Solve for x
    x = 2,578,678,701.34/54,486.60
  6. Step 6: Final answer
    x = 47,326.84

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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.