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Finding the Fourth Proportional to 65,126.98, 89,880.06 and 36,449.52

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Solution

The fourth proportional to 65,126.98, 89,880.06 and 36,449.52 is: 50,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,126.98 : 89,880.06 = 36,449.52 : x
  2. Step 2: Convert to fraction form
    65,126.98/89,880.06 = 36,449.52/x
  3. Step 3: Cross multiply
    65,126.98x = 89,880.06 × 36,449.52
  4. Step 4: Simplify right side
    65,126.98x = 3,276,085,044.57
  5. Step 5: Solve for x
    x = 3,276,085,044.57/65,126.98
  6. Step 6: Final answer
    x = 50,303.04

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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.