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Finding the Fourth Proportional to 52,909.48, 79,363.74 and 15,973.48

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Solution

The fourth proportional to 52,909.48, 79,363.74 and 15,973.48 is: 23,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,909.48 : 79,363.74 = 15,973.48 : x
  2. Step 2: Convert to fraction form
    52,909.48/79,363.74 = 15,973.48/x
  3. Step 3: Cross multiply
    52,909.48x = 79,363.74 × 15,973.48
  4. Step 4: Simplify right side
    52,909.48x = 1,267,715,113.62
  5. Step 5: Solve for x
    x = 1,267,715,113.62/52,909.48
  6. Step 6: Final answer
    x = 23,960.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.