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Finding the Fourth Proportional to 58,426.78, 87,651.06 and 18,973.30

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Solution

The fourth proportional to 58,426.78, 87,651.06 and 18,973.30 is: 28,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,426.78 : 87,651.06 = 18,973.30 : x
  2. Step 2: Convert to fraction form
    58,426.78/87,651.06 = 18,973.30/x
  3. Step 3: Cross multiply
    58,426.78x = 87,651.06 × 18,973.30
  4. Step 4: Simplify right side
    58,426.78x = 1,663,029,856.70
  5. Step 5: Solve for x
    x = 1,663,029,856.70/58,426.78
  6. Step 6: Final answer
    x = 28,463.49

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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.