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Finding the Fourth Proportional to 61,975.92, 85,526.94 and 33,681.72

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Solution

The fourth proportional to 61,975.92, 85,526.94 and 33,681.72 is: 46,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,975.92 : 85,526.94 = 33,681.72 : x
  2. Step 2: Convert to fraction form
    61,975.92/85,526.94 = 33,681.72/x
  3. Step 3: Cross multiply
    61,975.92x = 85,526.94 × 33,681.72
  4. Step 4: Simplify right side
    61,975.92x = 2,880,694,445.54
  5. Step 5: Solve for x
    x = 2,880,694,445.54/61,975.92
  6. Step 6: Final answer
    x = 46,480.87

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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.