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Finding the Fourth Proportional to 32,455.14, 44,790.21 and 18,307.14

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Solution

The fourth proportional to 32,455.14, 44,790.21 and 18,307.14 is: 25,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455.14 : 44,790.21 = 18,307.14 : x
  2. Step 2: Convert to fraction form
    32,455.14/44,790.21 = 18,307.14/x
  3. Step 3: Cross multiply
    32,455.14x = 44,790.21 × 18,307.14
  4. Step 4: Simplify right side
    32,455.14x = 819,980,645.10
  5. Step 5: Solve for x
    x = 819,980,645.10/32,455.14
  6. Step 6: Final answer
    x = 25,265.05

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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.