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Finding the Fourth Proportional to 61,889.92, 85,409.88 and 33,597.40

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Solution

The fourth proportional to 61,889.92, 85,409.88 and 33,597.40 is: 46,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,889.92 : 85,409.88 = 33,597.40 : x
  2. Step 2: Convert to fraction form
    61,889.92/85,409.88 = 33,597.40/x
  3. Step 3: Cross multiply
    61,889.92x = 85,409.88 × 33,597.40
  4. Step 4: Simplify right side
    61,889.92x = 2,869,549,902.31
  5. Step 5: Solve for x
    x = 2,869,549,902.31/61,889.92
  6. Step 6: Final answer
    x = 46,365.38

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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.