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Finding the Fourth Proportional to 61,156.32, 91,733.67 and 16,783.05

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Solution

The fourth proportional to 61,156.32, 91,733.67 and 16,783.05 is: 25,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,156.32 : 91,733.67 = 16,783.05 : x
  2. Step 2: Convert to fraction form
    61,156.32/91,733.67 = 16,783.05/x
  3. Step 3: Cross multiply
    61,156.32x = 91,733.67 × 16,783.05
  4. Step 4: Simplify right side
    61,156.32x = 1,539,570,770.29
  5. Step 5: Solve for x
    x = 1,539,570,770.29/61,156.32
  6. Step 6: Final answer
    x = 25,174.35

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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.