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Finding the Fourth Proportional to 56,888.92, 85,407.30 and 43,750.60

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Solution

The fourth proportional to 56,888.92, 85,407.30 and 43,750.60 is: 65,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.92 : 85,407.30 = 43,750.60 : x
  2. Step 2: Convert to fraction form
    56,888.92/85,407.30 = 43,750.60/x
  3. Step 3: Cross multiply
    56,888.92x = 85,407.30 × 43,750.60
  4. Step 4: Simplify right side
    56,888.92x = 3,736,620,619.38
  5. Step 5: Solve for x
    x = 3,736,620,619.38/56,888.92
  6. Step 6: Final answer
    x = 65,682.75

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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.