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Finding the Fourth Proportional to 35,648.15, 53,453.79 and 15,649.47

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Solution

The fourth proportional to 35,648.15, 53,453.79 and 15,649.47 is: 23,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,648.15 : 53,453.79 = 15,649.47 : x
  2. Step 2: Convert to fraction form
    35,648.15/53,453.79 = 15,649.47/x
  3. Step 3: Cross multiply
    35,648.15x = 53,453.79 × 15,649.47
  4. Step 4: Simplify right side
    35,648.15x = 836,523,482.99
  5. Step 5: Solve for x
    x = 836,523,482.99/35,648.15
  6. Step 6: Final answer
    x = 23,466.12

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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.