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Finding the Fourth Proportional to 65,583.16, 90,493.47 and 36,898.84

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Solution

The fourth proportional to 65,583.16, 90,493.47 and 36,898.84 is: 50,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,583.16 : 90,493.47 = 36,898.84 : x
  2. Step 2: Convert to fraction form
    65,583.16/90,493.47 = 36,898.84/x
  3. Step 3: Cross multiply
    65,583.16x = 90,493.47 × 36,898.84
  4. Step 4: Simplify right side
    65,583.16x = 3,339,104,070.57
  5. Step 5: Solve for x
    x = 3,339,104,070.57/65,583.16
  6. Step 6: Final answer
    x = 50,914.05

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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.