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Finding the Fourth Proportional to 58,106.76, 87,161.35 and 16,553.76

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Solution

The fourth proportional to 58,106.76, 87,161.35 and 16,553.76 is: 24,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,106.76 : 87,161.35 = 16,553.76 : x
  2. Step 2: Convert to fraction form
    58,106.76/87,161.35 = 16,553.76/x
  3. Step 3: Cross multiply
    58,106.76x = 87,161.35 × 16,553.76
  4. Step 4: Simplify right side
    58,106.76x = 1,442,848,069.18
  5. Step 5: Solve for x
    x = 1,442,848,069.18/58,106.76
  6. Step 6: Final answer
    x = 24,830.98

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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.