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Finding the Fourth Proportional to 36,842.70, 55,262.70 and 10,547.40

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Solution

The fourth proportional to 36,842.70, 55,262.70 and 10,547.40 is: 15,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,842.70 : 55,262.70 = 10,547.40 : x
  2. Step 2: Convert to fraction form
    36,842.70/55,262.70 = 10,547.40/x
  3. Step 3: Cross multiply
    36,842.70x = 55,262.70 × 10,547.40
  4. Step 4: Simplify right side
    36,842.70x = 582,877,801.98
  5. Step 5: Solve for x
    x = 582,877,801.98/36,842.70
  6. Step 6: Final answer
    x = 15,820.71

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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.