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Finding the Fourth Proportional to 35,346.98, 53,019.08 and 11,973.41

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Solution

The fourth proportional to 35,346.98, 53,019.08 and 11,973.41 is: 17,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.98 : 53,019.08 = 11,973.41 : x
  2. Step 2: Convert to fraction form
    35,346.98/53,019.08 = 11,973.41/x
  3. Step 3: Cross multiply
    35,346.98x = 53,019.08 × 11,973.41
  4. Step 4: Simplify right side
    35,346.98x = 634,819,122.80
  5. Step 5: Solve for x
    x = 634,819,122.80/35,346.98
  6. Step 6: Final answer
    x = 17,959.64

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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.