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Finding the Fourth Proportional to 47,886.36, 66,014.70 and 33,695.16

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Solution

The fourth proportional to 47,886.36, 66,014.70 and 33,695.16 is: 46,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,886.36 : 66,014.70 = 33,695.16 : x
  2. Step 2: Convert to fraction form
    47,886.36/66,014.70 = 33,695.16/x
  3. Step 3: Cross multiply
    47,886.36x = 66,014.70 × 33,695.16
  4. Step 4: Simplify right side
    47,886.36x = 2,224,375,878.85
  5. Step 5: Solve for x
    x = 2,224,375,878.85/47,886.36
  6. Step 6: Final answer
    x = 46,451.14

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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.