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Finding the Fourth Proportional to 35,352.91, 53,018.16 and 11,973.88

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Solution

The fourth proportional to 35,352.91, 53,018.16 and 11,973.88 is: 17,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,352.91 : 53,018.16 = 11,973.88 : x
  2. Step 2: Convert to fraction form
    35,352.91/53,018.16 = 11,973.88/x
  3. Step 3: Cross multiply
    35,352.91x = 53,018.16 × 11,973.88
  4. Step 4: Simplify right side
    35,352.91x = 634,833,085.66
  5. Step 5: Solve for x
    x = 634,833,085.66/35,352.91
  6. Step 6: Final answer
    x = 17,957.02

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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.