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Finding the Fourth Proportional to 58,305.44, 87,460.88 and 18,865.64

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Solution

The fourth proportional to 58,305.44, 87,460.88 and 18,865.64 is: 28,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,305.44 : 87,460.88 = 18,865.64 : x
  2. Step 2: Convert to fraction form
    58,305.44/87,460.88 = 18,865.64/x
  3. Step 3: Cross multiply
    58,305.44x = 87,460.88 × 18,865.64
  4. Step 4: Simplify right side
    58,305.44x = 1,650,005,476.16
  5. Step 5: Solve for x
    x = 1,650,005,476.16/58,305.44
  6. Step 6: Final answer
    x = 28,299.34

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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.