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Finding the Fourth Proportional to 58,557.98, 87,803.67 and 18,569.59

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Solution

The fourth proportional to 58,557.98, 87,803.67 and 18,569.59 is: 27,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,557.98 : 87,803.67 = 18,569.59 : x
  2. Step 2: Convert to fraction form
    58,557.98/87,803.67 = 18,569.59/x
  3. Step 3: Cross multiply
    58,557.98x = 87,803.67 × 18,569.59
  4. Step 4: Simplify right side
    58,557.98x = 1,630,478,152.40
  5. Step 5: Solve for x
    x = 1,630,478,152.40/58,557.98
  6. Step 6: Final answer
    x = 27,843.83

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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.