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Finding the Fourth Proportional to 70,927.97, 97,881.06 and 39,096.90

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Solution

The fourth proportional to 70,927.97, 97,881.06 and 39,096.90 is: 53,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.97 : 97,881.06 = 39,096.90 : x
  2. Step 2: Convert to fraction form
    70,927.97/97,881.06 = 39,096.90/x
  3. Step 3: Cross multiply
    70,927.97x = 97,881.06 × 39,096.90
  4. Step 4: Simplify right side
    70,927.97x = 3,826,846,014.71
  5. Step 5: Solve for x
    x = 3,826,846,014.71/70,927.97
  6. Step 6: Final answer
    x = 53,953.98

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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.