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Finding the Fourth Proportional to 33,077.16, 49,615.74 and 9,703.80

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Solution

The fourth proportional to 33,077.16, 49,615.74 and 9,703.80 is: 14,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,077.16 : 49,615.74 = 9,703.80 : x
  2. Step 2: Convert to fraction form
    33,077.16/49,615.74 = 9,703.80/x
  3. Step 3: Cross multiply
    33,077.16x = 49,615.74 × 9,703.80
  4. Step 4: Simplify right side
    33,077.16x = 481,461,217.81
  5. Step 5: Solve for x
    x = 481,461,217.81/33,077.16
  6. Step 6: Final answer
    x = 14,555.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.