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Finding the Fourth Proportional to 70,594.84, 97,421.72 and 38,763.08

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Solution

The fourth proportional to 70,594.84, 97,421.72 and 38,763.08 is: 53,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,594.84 : 97,421.72 = 38,763.08 : x
  2. Step 2: Convert to fraction form
    70,594.84/97,421.72 = 38,763.08/x
  3. Step 3: Cross multiply
    70,594.84x = 97,421.72 × 38,763.08
  4. Step 4: Simplify right side
    70,594.84x = 3,776,365,926.10
  5. Step 5: Solve for x
    x = 3,776,365,926.10/70,594.84
  6. Step 6: Final answer
    x = 53,493.51

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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.