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Finding the Fourth Proportional to 65,605.17, 90,526.08 and 36,926.31

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Solution

The fourth proportional to 65,605.17, 90,526.08 and 36,926.31 is: 50,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,605.17 : 90,526.08 = 36,926.31 : x
  2. Step 2: Convert to fraction form
    65,605.17/90,526.08 = 36,926.31/x
  3. Step 3: Cross multiply
    65,605.17x = 90,526.08 × 36,926.31
  4. Step 4: Simplify right side
    65,605.17x = 3,342,794,093.16
  5. Step 5: Solve for x
    x = 3,342,794,093.16/65,605.17
  6. Step 6: Final answer
    x = 50,953.21

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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.