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Finding the Fourth Proportional to 58,156.40, 87,364.20 and 55,794.80

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Solution

The fourth proportional to 58,156.40, 87,364.20 and 55,794.80 is: 83,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,156.40 : 87,364.20 = 55,794.80 : x
  2. Step 2: Convert to fraction form
    58,156.40/87,364.20 = 55,794.80/x
  3. Step 3: Cross multiply
    58,156.40x = 87,364.20 × 55,794.80
  4. Step 4: Simplify right side
    58,156.40x = 4,874,468,066.16
  5. Step 5: Solve for x
    x = 4,874,468,066.16/58,156.40
  6. Step 6: Final answer
    x = 83,816.54

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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.