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Finding the Fourth Proportional to 52,393.44, 78,582.36 and 19,105.68

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Solution

The fourth proportional to 52,393.44, 78,582.36 and 19,105.68 is: 28,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,393.44 : 78,582.36 = 19,105.68 : x
  2. Step 2: Convert to fraction form
    52,393.44/78,582.36 = 19,105.68/x
  3. Step 3: Cross multiply
    52,393.44x = 78,582.36 × 19,105.68
  4. Step 4: Simplify right side
    52,393.44x = 1,501,369,423.80
  5. Step 5: Solve for x
    x = 1,501,369,423.80/52,393.44
  6. Step 6: Final answer
    x = 28,655.68

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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.