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Finding the Fourth Proportional to 61,925.55, 85,455.86 and 33,630.63

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Solution

The fourth proportional to 61,925.55, 85,455.86 and 33,630.63 is: 46,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,925.55 : 85,455.86 = 33,630.63 : x
  2. Step 2: Convert to fraction form
    61,925.55/85,455.86 = 33,630.63/x
  3. Step 3: Cross multiply
    61,925.55x = 85,455.86 × 33,630.63
  4. Step 4: Simplify right side
    61,925.55x = 2,873,934,240.84
  5. Step 5: Solve for x
    x = 2,873,934,240.84/61,925.55
  6. Step 6: Final answer
    x = 46,409.51

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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.