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Finding the Fourth Proportional to 70,725.65, 97,599.45 and 38,894.55

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Solution

The fourth proportional to 70,725.65, 97,599.45 and 38,894.55 is: 53,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,725.65 : 97,599.45 = 38,894.55 : x
  2. Step 2: Convert to fraction form
    70,725.65/97,599.45 = 38,894.55/x
  3. Step 3: Cross multiply
    70,725.65x = 97,599.45 × 38,894.55
  4. Step 4: Simplify right side
    70,725.65x = 3,796,086,005.53
  5. Step 5: Solve for x
    x = 3,796,086,005.53/70,725.65
  6. Step 6: Final answer
    x = 53,673.40

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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.