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Finding the Fourth Proportional to 61,653.90, 85,082.38 and 33,359.59

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Solution

The fourth proportional to 61,653.90, 85,082.38 and 33,359.59 is: 46,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,653.90 : 85,082.38 = 33,359.59 : x
  2. Step 2: Convert to fraction form
    61,653.90/85,082.38 = 33,359.59/x
  3. Step 3: Cross multiply
    61,653.90x = 85,082.38 × 33,359.59
  4. Step 4: Simplify right side
    61,653.90x = 2,838,313,313.02
  5. Step 5: Solve for x
    x = 2,838,313,313.02/61,653.90
  6. Step 6: Final answer
    x = 46,036.23

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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.