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Finding the Fourth Proportional to 61,984.84, 85,535.58 and 33,690.32

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Solution

The fourth proportional to 61,984.84, 85,535.58 and 33,690.32 is: 46,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,984.84 : 85,535.58 = 33,690.32 : x
  2. Step 2: Convert to fraction form
    61,984.84/85,535.58 = 33,690.32/x
  3. Step 3: Cross multiply
    61,984.84x = 85,535.58 × 33,690.32
  4. Step 4: Simplify right side
    61,984.84x = 2,881,721,061.59
  5. Step 5: Solve for x
    x = 2,881,721,061.59/61,984.84
  6. Step 6: Final answer
    x = 46,490.74

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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.