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Finding the Fourth Proportional to 61,130.94, 84,360.92 and 35,654.89

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Solution

The fourth proportional to 61,130.94, 84,360.92 and 35,654.89 is: 49,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,130.94 : 84,360.92 = 35,654.89 : x
  2. Step 2: Convert to fraction form
    61,130.94/84,360.92 = 35,654.89/x
  3. Step 3: Cross multiply
    61,130.94x = 84,360.92 × 35,654.89
  4. Step 4: Simplify right side
    61,130.94x = 3,007,879,322.90
  5. Step 5: Solve for x
    x = 3,007,879,322.90/61,130.94
  6. Step 6: Final answer
    x = 49,203.88

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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.