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Finding the Fourth Proportional to 57,059.58, 78,733.04 and 35,867.55

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Solution

The fourth proportional to 57,059.58, 78,733.04 and 35,867.55 is: 49,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059.58 : 78,733.04 = 35,867.55 : x
  2. Step 2: Convert to fraction form
    57,059.58/78,733.04 = 35,867.55/x
  3. Step 3: Cross multiply
    57,059.58x = 78,733.04 × 35,867.55
  4. Step 4: Simplify right side
    57,059.58x = 2,823,961,069.51
  5. Step 5: Solve for x
    x = 2,823,961,069.51/57,059.58
  6. Step 6: Final answer
    x = 49,491.45

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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.