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Finding the Fourth Proportional to 54,889.78, 75,702.81 and 33,654.10

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Solution

The fourth proportional to 54,889.78, 75,702.81 and 33,654.10 is: 46,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.78 : 75,702.81 = 33,654.10 : x
  2. Step 2: Convert to fraction form
    54,889.78/75,702.81 = 33,654.10/x
  3. Step 3: Cross multiply
    54,889.78x = 75,702.81 × 33,654.10
  4. Step 4: Simplify right side
    54,889.78x = 2,547,709,938.02
  5. Step 5: Solve for x
    x = 2,547,709,938.02/54,889.78
  6. Step 6: Final answer
    x = 46,415.01

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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.