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Finding the Fourth Proportional to 32,677.80, 45,096 and 18,530.40

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Solution

The fourth proportional to 32,677.80, 45,096 and 18,530.40 is: 25,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,677.80 : 45,096 = 18,530.40 : x
  2. Step 2: Convert to fraction form
    32,677.80/45,096 = 18,530.40/x
  3. Step 3: Cross multiply
    32,677.80x = 45,096 × 18,530.40
  4. Step 4: Simplify right side
    32,677.80x = 835,646,918.40
  5. Step 5: Solve for x
    x = 835,646,918.40/32,677.80
  6. Step 6: Final answer
    x = 25,572.31

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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.