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Finding the Fourth Proportional to 70,867.41, 97,797.02 and 39,036.99

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Solution

The fourth proportional to 70,867.41, 97,797.02 and 39,036.99 is: 53,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,867.41 : 97,797.02 = 39,036.99 : x
  2. Step 2: Convert to fraction form
    70,867.41/97,797.02 = 39,036.99/x
  3. Step 3: Cross multiply
    70,867.41x = 97,797.02 × 39,036.99
  4. Step 4: Simplify right side
    70,867.41x = 3,817,701,132.80
  5. Step 5: Solve for x
    x = 3,817,701,132.80/70,867.41
  6. Step 6: Final answer
    x = 53,871.04

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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.