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Finding the Fourth Proportional to 70,726.11, 97,600.09 and 38,895.01

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Solution

The fourth proportional to 70,726.11, 97,600.09 and 38,895.01 is: 53,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,726.11 : 97,600.09 = 38,895.01 : x
  2. Step 2: Convert to fraction form
    70,726.11/97,600.09 = 38,895.01/x
  3. Step 3: Cross multiply
    70,726.11x = 97,600.09 × 38,895.01
  4. Step 4: Simplify right side
    70,726.11x = 3,796,156,476.55
  5. Step 5: Solve for x
    x = 3,796,156,476.55/70,726.11
  6. Step 6: Final answer
    x = 53,674.05

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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.