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Finding the Fourth Proportional to 51,295.84, 70,820.26 and 33,156.07

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Solution

The fourth proportional to 51,295.84, 70,820.26 and 33,156.07 is: 45,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,295.84 : 70,820.26 = 33,156.07 : x
  2. Step 2: Convert to fraction form
    51,295.84/70,820.26 = 33,156.07/x
  3. Step 3: Cross multiply
    51,295.84x = 70,820.26 × 33,156.07
  4. Step 4: Simplify right side
    51,295.84x = 2,348,121,238.04
  5. Step 5: Solve for x
    x = 2,348,121,238.04/51,295.84
  6. Step 6: Final answer
    x = 45,776.06

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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.