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Finding the Fourth Proportional to 58,442.84, 87,678.98 and 16,889.56

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Solution

The fourth proportional to 58,442.84, 87,678.98 and 16,889.56 is: 25,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,442.84 : 87,678.98 = 16,889.56 : x
  2. Step 2: Convert to fraction form
    58,442.84/87,678.98 = 16,889.56/x
  3. Step 3: Cross multiply
    58,442.84x = 87,678.98 × 16,889.56
  4. Step 4: Simplify right side
    58,442.84x = 1,480,859,393.45
  5. Step 5: Solve for x
    x = 1,480,859,393.45/58,442.84
  6. Step 6: Final answer
    x = 25,338.59

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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.