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Finding the Fourth Proportional to 61,885.77, 85,402.47 and 33,591.45

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Solution

The fourth proportional to 61,885.77, 85,402.47 and 33,591.45 is: 46,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,885.77 : 85,402.47 = 33,591.45 : x
  2. Step 2: Convert to fraction form
    61,885.77/85,402.47 = 33,591.45/x
  3. Step 3: Cross multiply
    61,885.77x = 85,402.47 × 33,591.45
  4. Step 4: Simplify right side
    61,885.77x = 2,868,792,632.92
  5. Step 5: Solve for x
    x = 2,868,792,632.92/61,885.77
  6. Step 6: Final answer
    x = 46,356.26

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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.