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Finding the Fourth Proportional to 35,417.79, 53,159.49 and 17,899.92

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Solution

The fourth proportional to 35,417.79, 53,159.49 and 17,899.92 is: 26,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.79 : 53,159.49 = 17,899.92 : x
  2. Step 2: Convert to fraction form
    35,417.79/53,159.49 = 17,899.92/x
  3. Step 3: Cross multiply
    35,417.79x = 53,159.49 × 17,899.92
  4. Step 4: Simplify right side
    35,417.79x = 951,550,618.24
  5. Step 5: Solve for x
    x = 951,550,618.24/35,417.79
  6. Step 6: Final answer
    x = 26,866.46

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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.