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Finding the Fourth Proportional to 70,592.72, 97,419.53 and 38,761.75

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Solution

The fourth proportional to 70,592.72, 97,419.53 and 38,761.75 is: 53,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.72 : 97,419.53 = 38,761.75 : x
  2. Step 2: Convert to fraction form
    70,592.72/97,419.53 = 38,761.75/x
  3. Step 3: Cross multiply
    70,592.72x = 97,419.53 × 38,761.75
  4. Step 4: Simplify right side
    70,592.72x = 3,776,151,466.98
  5. Step 5: Solve for x
    x = 3,776,151,466.98/70,592.72
  6. Step 6: Final answer
    x = 53,492.08

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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.