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Finding the Fourth Proportional to 35,477.95, 53,166.84 and 19,689.97

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Solution

The fourth proportional to 35,477.95, 53,166.84 and 19,689.97 is: 29,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.95 : 53,166.84 = 19,689.97 : x
  2. Step 2: Convert to fraction form
    35,477.95/53,166.84 = 19,689.97/x
  3. Step 3: Cross multiply
    35,477.95x = 53,166.84 × 19,689.97
  4. Step 4: Simplify right side
    35,477.95x = 1,046,853,484.59
  5. Step 5: Solve for x
    x = 1,046,853,484.59/35,477.95
  6. Step 6: Final answer
    x = 29,507.16

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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.