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Finding the Fourth Proportional to 32,707.84, 45,143.04 and 18,562

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Solution

The fourth proportional to 32,707.84, 45,143.04 and 18,562 is: 25,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,707.84 : 45,143.04 = 18,562 : x
  2. Step 2: Convert to fraction form
    32,707.84/45,143.04 = 18,562/x
  3. Step 3: Cross multiply
    32,707.84x = 45,143.04 × 18,562
  4. Step 4: Simplify right side
    32,707.84x = 837,945,108.48
  5. Step 5: Solve for x
    x = 837,945,108.48/32,707.84
  6. Step 6: Final answer
    x = 25,619.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.