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Finding the Fourth Proportional to 35,746.61, 53,585.04 and 17,021.62

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Solution

The fourth proportional to 35,746.61, 53,585.04 and 17,021.62 is: 25,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,746.61 : 53,585.04 = 17,021.62 : x
  2. Step 2: Convert to fraction form
    35,746.61/53,585.04 = 17,021.62/x
  3. Step 3: Cross multiply
    35,746.61x = 53,585.04 × 17,021.62
  4. Step 4: Simplify right side
    35,746.61x = 912,104,188.56
  5. Step 5: Solve for x
    x = 912,104,188.56/35,746.61
  6. Step 6: Final answer
    x = 25,515.82

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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.