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Finding the Fourth Proportional to 70,495.44, 97,285.22 and 38,664.26

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Solution

The fourth proportional to 70,495.44, 97,285.22 and 38,664.26 is: 53,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,495.44 : 97,285.22 = 38,664.26 : x
  2. Step 2: Convert to fraction form
    70,495.44/97,285.22 = 38,664.26/x
  3. Step 3: Cross multiply
    70,495.44x = 97,285.22 × 38,664.26
  4. Step 4: Simplify right side
    70,495.44x = 3,761,461,040.24
  5. Step 5: Solve for x
    x = 3,761,461,040.24/70,495.44
  6. Step 6: Final answer
    x = 53,357.51

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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.