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Finding the Fourth Proportional to 36,543.84, 50,430.40 and 19,776.84

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Solution

The fourth proportional to 36,543.84, 50,430.40 and 19,776.84 is: 27,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,543.84 : 50,430.40 = 19,776.84 : x
  2. Step 2: Convert to fraction form
    36,543.84/50,430.40 = 19,776.84/x
  3. Step 3: Cross multiply
    36,543.84x = 50,430.40 × 19,776.84
  4. Step 4: Simplify right side
    36,543.84x = 997,353,951.94
  5. Step 5: Solve for x
    x = 997,353,951.94/36,543.84
  6. Step 6: Final answer
    x = 27,291.99

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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.