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Finding the Fourth Proportional to 61,798.72, 85,281.44 and 33,504.32

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Solution

The fourth proportional to 61,798.72, 85,281.44 and 33,504.32 is: 46,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,798.72 : 85,281.44 = 33,504.32 : x
  2. Step 2: Convert to fraction form
    61,798.72/85,281.44 = 33,504.32/x
  3. Step 3: Cross multiply
    61,798.72x = 85,281.44 × 33,504.32
  4. Step 4: Simplify right side
    61,798.72x = 2,857,296,655.82
  5. Step 5: Solve for x
    x = 2,857,296,655.82/61,798.72
  6. Step 6: Final answer
    x = 46,235.53

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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.