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Finding the Fourth Proportional to 61,181.76, 91,762.28 and 16,798.22

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Solution

The fourth proportional to 61,181.76, 91,762.28 and 16,798.22 is: 25,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,181.76 : 91,762.28 = 16,798.22 : x
  2. Step 2: Convert to fraction form
    61,181.76/91,762.28 = 16,798.22/x
  3. Step 3: Cross multiply
    61,181.76x = 91,762.28 × 16,798.22
  4. Step 4: Simplify right side
    61,181.76x = 1,541,442,967.14
  5. Step 5: Solve for x
    x = 1,541,442,967.14/61,181.76
  6. Step 6: Final answer
    x = 25,194.49

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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.