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Finding the Fourth Proportional to 58,446.50, 87,533.06 and 28,768.91

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Solution

The fourth proportional to 58,446.50, 87,533.06 and 28,768.91 is: 43,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,446.50 : 87,533.06 = 28,768.91 : x
  2. Step 2: Convert to fraction form
    58,446.50/87,533.06 = 28,768.91/x
  3. Step 3: Cross multiply
    58,446.50x = 87,533.06 × 28,768.91
  4. Step 4: Simplify right side
    58,446.50x = 2,518,230,143.65
  5. Step 5: Solve for x
    x = 2,518,230,143.65/58,446.50
  6. Step 6: Final answer
    x = 43,086.08

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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.