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Finding the Fourth Proportional to 61,265.32, 91,903.13 and 16,892.05

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Solution

The fourth proportional to 61,265.32, 91,903.13 and 16,892.05 is: 25,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,265.32 : 91,903.13 = 16,892.05 : x
  2. Step 2: Convert to fraction form
    61,265.32/91,903.13 = 16,892.05/x
  3. Step 3: Cross multiply
    61,265.32x = 91,903.13 × 16,892.05
  4. Step 4: Simplify right side
    61,265.32x = 1,552,432,267.12
  5. Step 5: Solve for x
    x = 1,552,432,267.12/61,265.32
  6. Step 6: Final answer
    x = 25,339.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.