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Finding the Fourth Proportional to 70,675.82, 97,532.34 and 38,846.06

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Solution

The fourth proportional to 70,675.82, 97,532.34 and 38,846.06 is: 53,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,675.82 : 97,532.34 = 38,846.06 : x
  2. Step 2: Convert to fraction form
    70,675.82/97,532.34 = 38,846.06/x
  3. Step 3: Cross multiply
    70,675.82x = 97,532.34 × 38,846.06
  4. Step 4: Simplify right side
    70,675.82x = 3,788,747,131.58
  5. Step 5: Solve for x
    x = 3,788,747,131.58/70,675.82
  6. Step 6: Final answer
    x = 53,607.40

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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.