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Finding the Fourth Proportional to 70,315.70, 97,002.10 and 43,448.54

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Solution

The fourth proportional to 70,315.70, 97,002.10 and 43,448.54 is: 59,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,315.70 : 97,002.10 = 43,448.54 : x
  2. Step 2: Convert to fraction form
    70,315.70/97,002.10 = 43,448.54/x
  3. Step 3: Cross multiply
    70,315.70x = 97,002.10 × 43,448.54
  4. Step 4: Simplify right side
    70,315.70x = 4,214,599,028.30
  5. Step 5: Solve for x
    x = 4,214,599,028.30/70,315.70
  6. Step 6: Final answer
    x = 59,938.24

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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.