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Finding the Fourth Proportional to 35,876.61, 53,814.51 and 12,502.98

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Solution

The fourth proportional to 35,876.61, 53,814.51 and 12,502.98 is: 18,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,876.61 : 53,814.51 = 12,502.98 : x
  2. Step 2: Convert to fraction form
    35,876.61/53,814.51 = 12,502.98/x
  3. Step 3: Cross multiply
    35,876.61x = 53,814.51 × 12,502.98
  4. Step 4: Simplify right side
    35,876.61x = 672,841,742.24
  5. Step 5: Solve for x
    x = 672,841,742.24/35,876.61
  6. Step 6: Final answer
    x = 18,754.33

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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.