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Finding the Fourth Proportional to 61,585.39, 84,987.79 and 33,291.08

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Solution

The fourth proportional to 61,585.39, 84,987.79 and 33,291.08 is: 45,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,585.39 : 84,987.79 = 33,291.08 : x
  2. Step 2: Convert to fraction form
    61,585.39/84,987.79 = 33,291.08/x
  3. Step 3: Cross multiply
    61,585.39x = 84,987.79 × 33,291.08
  4. Step 4: Simplify right side
    61,585.39x = 2,829,335,315.91
  5. Step 5: Solve for x
    x = 2,829,335,315.91/61,585.39
  6. Step 6: Final answer
    x = 45,941.66

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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.