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Finding the Fourth Proportional to 32,564.88, 44,938.80 and 18,417.96

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Solution

The fourth proportional to 32,564.88, 44,938.80 and 18,417.96 is: 25,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,564.88 : 44,938.80 = 18,417.96 : x
  2. Step 2: Convert to fraction form
    32,564.88/44,938.80 = 18,417.96/x
  3. Step 3: Cross multiply
    32,564.88x = 44,938.80 × 18,417.96
  4. Step 4: Simplify right side
    32,564.88x = 827,681,020.85
  5. Step 5: Solve for x
    x = 827,681,020.85/32,564.88
  6. Step 6: Final answer
    x = 25,416.37

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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.