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Finding the Fourth Proportional to 70,451.77, 97,224.63 and 38,187.41

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Solution

The fourth proportional to 70,451.77, 97,224.63 and 38,187.41 is: 52,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,451.77 : 97,224.63 = 38,187.41 : x
  2. Step 2: Convert to fraction form
    70,451.77/97,224.63 = 38,187.41/x
  3. Step 3: Cross multiply
    70,451.77x = 97,224.63 × 38,187.41
  4. Step 4: Simplify right side
    70,451.77x = 3,712,756,807.91
  5. Step 5: Solve for x
    x = 3,712,756,807.91/70,451.77
  6. Step 6: Final answer
    x = 52,699.27

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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.