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Finding the Fourth Proportional to 70,915.34, 97,832.16 and 50,764.87

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Solution

The fourth proportional to 70,915.34, 97,832.16 and 50,764.87 is: 70,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,915.34 : 97,832.16 = 50,764.87 : x
  2. Step 2: Convert to fraction form
    70,915.34/97,832.16 = 50,764.87/x
  3. Step 3: Cross multiply
    70,915.34x = 97,832.16 × 50,764.87
  4. Step 4: Simplify right side
    70,915.34x = 4,966,436,395.06
  5. Step 5: Solve for x
    x = 4,966,436,395.06/70,915.34
  6. Step 6: Final answer
    x = 70,033.32

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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.