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Finding the Fourth Proportional to 65,894.90, 90,941.47 and 37,604.84

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Solution

The fourth proportional to 65,894.90, 90,941.47 and 37,604.84 is: 51,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.90 : 90,941.47 = 37,604.84 : x
  2. Step 2: Convert to fraction form
    65,894.90/90,941.47 = 37,604.84/x
  3. Step 3: Cross multiply
    65,894.90x = 90,941.47 × 37,604.84
  4. Step 4: Simplify right side
    65,894.90x = 3,419,838,880.00
  5. Step 5: Solve for x
    x = 3,419,838,880.00/65,894.90
  6. Step 6: Final answer
    x = 51,898.39

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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.