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Finding the Fourth Proportional to 70,266.69, 96,968.07 and 38,435.58

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Solution

The fourth proportional to 70,266.69, 96,968.07 and 38,435.58 is: 53,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,266.69 : 96,968.07 = 38,435.58 : x
  2. Step 2: Convert to fraction form
    70,266.69/96,968.07 = 38,435.58/x
  3. Step 3: Cross multiply
    70,266.69x = 96,968.07 × 38,435.58
  4. Step 4: Simplify right side
    70,266.69x = 3,727,024,011.93
  5. Step 5: Solve for x
    x = 3,727,024,011.93/70,266.69
  6. Step 6: Final answer
    x = 53,041.12

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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.