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Finding the Fourth Proportional to 61,800.31, 85,284.53 and 33,506.07

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Solution

The fourth proportional to 61,800.31, 85,284.53 and 33,506.07 is: 46,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,800.31 : 85,284.53 = 33,506.07 : x
  2. Step 2: Convert to fraction form
    61,800.31/85,284.53 = 33,506.07/x
  3. Step 3: Cross multiply
    61,800.31x = 85,284.53 × 33,506.07
  4. Step 4: Simplify right side
    61,800.31x = 2,857,549,264.57
  5. Step 5: Solve for x
    x = 2,857,549,264.57/61,800.31
  6. Step 6: Final answer
    x = 46,238.43

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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.