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Finding the Fourth Proportional to 65,582.96, 90,503.60 and 36,900.48

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Solution

The fourth proportional to 65,582.96, 90,503.60 and 36,900.48 is: 50,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,582.96 : 90,503.60 = 36,900.48 : x
  2. Step 2: Convert to fraction form
    65,582.96/90,503.60 = 36,900.48/x
  3. Step 3: Cross multiply
    65,582.96x = 90,503.60 × 36,900.48
  4. Step 4: Simplify right side
    65,582.96x = 3,339,626,281.73
  5. Step 5: Solve for x
    x = 3,339,626,281.73/65,582.96
  6. Step 6: Final answer
    x = 50,922.16

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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.