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Finding the Fourth Proportional to 70,674.21, 97,526.77 and 38,836.96

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Solution

The fourth proportional to 70,674.21, 97,526.77 and 38,836.96 is: 53,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,674.21 : 97,526.77 = 38,836.96 : x
  2. Step 2: Convert to fraction form
    70,674.21/97,526.77 = 38,836.96/x
  3. Step 3: Cross multiply
    70,674.21x = 97,526.77 × 38,836.96
  4. Step 4: Simplify right side
    70,674.21x = 3,787,642,924.51
  5. Step 5: Solve for x
    x = 3,787,642,924.51/70,674.21
  6. Step 6: Final answer
    x = 53,593.00

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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.