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Finding the Fourth Proportional to 70,568.42, 97,384.83 and 38,737.58

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Solution

The fourth proportional to 70,568.42, 97,384.83 and 38,737.58 is: 53,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,568.42 : 97,384.83 = 38,737.58 : x
  2. Step 2: Convert to fraction form
    70,568.42/97,384.83 = 38,737.58/x
  3. Step 3: Cross multiply
    70,568.42x = 97,384.83 × 38,737.58
  4. Step 4: Simplify right side
    70,568.42x = 3,772,452,642.91
  5. Step 5: Solve for x
    x = 3,772,452,642.91/70,568.42
  6. Step 6: Final answer
    x = 53,458.09

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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.