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Finding the Fourth Proportional to 65,597.76, 90,522.24 and 36,916.80

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Solution

The fourth proportional to 65,597.76, 90,522.24 and 36,916.80 is: 50,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,597.76 : 90,522.24 = 36,916.80 : x
  2. Step 2: Convert to fraction form
    65,597.76/90,522.24 = 36,916.80/x
  3. Step 3: Cross multiply
    65,597.76x = 90,522.24 × 36,916.80
  4. Step 4: Simplify right side
    65,597.76x = 3,341,791,429.63
  5. Step 5: Solve for x
    x = 3,341,791,429.63/65,597.76
  6. Step 6: Final answer
    x = 50,943.68

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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.