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Finding the Fourth Proportional to 70,888.37, 97,825.93 and 39,057.95

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Solution

The fourth proportional to 70,888.37, 97,825.93 and 39,057.95 is: 53,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,888.37 : 97,825.93 = 39,057.95 : x
  2. Step 2: Convert to fraction form
    70,888.37/97,825.93 = 39,057.95/x
  3. Step 3: Cross multiply
    70,888.37x = 97,825.93 × 39,057.95
  4. Step 4: Simplify right side
    70,888.37x = 3,820,880,429.56
  5. Step 5: Solve for x
    x = 3,820,880,429.56/70,888.37
  6. Step 6: Final answer
    x = 53,899.97

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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.