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Finding the Fourth Proportional to 32,854.84, 45,340.26 and 18,709

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Solution

The fourth proportional to 32,854.84, 45,340.26 and 18,709 is: 25,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,854.84 : 45,340.26 = 18,709 : x
  2. Step 2: Convert to fraction form
    32,854.84/45,340.26 = 18,709/x
  3. Step 3: Cross multiply
    32,854.84x = 45,340.26 × 18,709
  4. Step 4: Simplify right side
    32,854.84x = 848,270,924.34
  5. Step 5: Solve for x
    x = 848,270,924.34/32,854.84
  6. Step 6: Final answer
    x = 25,818.75

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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.