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Finding the Fourth Proportional to 61,759.72, 85,228.71 and 33,465.46

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Solution

The fourth proportional to 61,759.72, 85,228.71 and 33,465.46 is: 46,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,759.72 : 85,228.71 = 33,465.46 : x
  2. Step 2: Convert to fraction form
    61,759.72/85,228.71 = 33,465.46/x
  3. Step 3: Cross multiply
    61,759.72x = 85,228.71 × 33,465.46
  4. Step 4: Simplify right side
    61,759.72x = 2,852,217,985.36
  5. Step 5: Solve for x
    x = 2,852,217,985.36/61,759.72
  6. Step 6: Final answer
    x = 46,182.50

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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.