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Finding the Fourth Proportional to 70,889.44, 97,825.12 and 39,058.24

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Solution

The fourth proportional to 70,889.44, 97,825.12 and 39,058.24 is: 53,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,889.44 : 97,825.12 = 39,058.24 : x
  2. Step 2: Convert to fraction form
    70,889.44/97,825.12 = 39,058.24/x
  3. Step 3: Cross multiply
    70,889.44x = 97,825.12 × 39,058.24
  4. Step 4: Simplify right side
    70,889.44x = 3,820,877,014.99
  5. Step 5: Solve for x
    x = 3,820,877,014.99/70,889.44
  6. Step 6: Final answer
    x = 53,899.10

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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.