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Finding the Fourth Proportional to 70,886.22, 97,822.92 and 39,055.12

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Solution

The fourth proportional to 70,886.22, 97,822.92 and 39,055.12 is: 53,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,886.22 : 97,822.92 = 39,055.12 : x
  2. Step 2: Convert to fraction form
    70,886.22/97,822.92 = 39,055.12/x
  3. Step 3: Cross multiply
    70,886.22x = 97,822.92 × 39,055.12
  4. Step 4: Simplify right side
    70,886.22x = 3,820,485,879.35
  5. Step 5: Solve for x
    x = 3,820,485,879.35/70,886.22
  6. Step 6: Final answer
    x = 53,896.03

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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.