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Finding the Fourth Proportional to 36,805.61, 55,207.29 and 10,510.40

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Solution

The fourth proportional to 36,805.61, 55,207.29 and 10,510.40 is: 15,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,805.61 : 55,207.29 = 10,510.40 : x
  2. Step 2: Convert to fraction form
    36,805.61/55,207.29 = 10,510.40/x
  3. Step 3: Cross multiply
    36,805.61x = 55,207.29 × 10,510.40
  4. Step 4: Simplify right side
    36,805.61x = 580,250,700.82
  5. Step 5: Solve for x
    x = 580,250,700.82/36,805.61
  6. Step 6: Final answer
    x = 15,765.28

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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.