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Finding the Fourth Proportional to 70,615.45, 97,406.52 and 41,916.19

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Solution

The fourth proportional to 70,615.45, 97,406.52 and 41,916.19 is: 57,818.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615.45 : 97,406.52 = 41,916.19 : x
  2. Step 2: Convert to fraction form
    70,615.45/97,406.52 = 41,916.19/x
  3. Step 3: Cross multiply
    70,615.45x = 97,406.52 × 41,916.19
  4. Step 4: Simplify right side
    70,615.45x = 4,082,910,199.56
  5. Step 5: Solve for x
    x = 4,082,910,199.56/70,615.45
  6. Step 6: Final answer
    x = 57,818.94

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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.