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Finding the Fourth Proportional to 58,364.20, 87,546.30 and 16,815.40

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Solution

The fourth proportional to 58,364.20, 87,546.30 and 16,815.40 is: 25,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,364.20 : 87,546.30 = 16,815.40 : x
  2. Step 2: Convert to fraction form
    58,364.20/87,546.30 = 16,815.40/x
  3. Step 3: Cross multiply
    58,364.20x = 87,546.30 × 16,815.40
  4. Step 4: Simplify right side
    58,364.20x = 1,472,126,053.02
  5. Step 5: Solve for x
    x = 1,472,126,053.02/58,364.20
  6. Step 6: Final answer
    x = 25,223.10

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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.