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Finding the Fourth Proportional to 37,548.89, 56,323.57 and 12,590.89

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Solution

The fourth proportional to 37,548.89, 56,323.57 and 12,590.89 is: 18,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,548.89 : 56,323.57 = 12,590.89 : x
  2. Step 2: Convert to fraction form
    37,548.89/56,323.57 = 12,590.89/x
  3. Step 3: Cross multiply
    37,548.89x = 56,323.57 × 12,590.89
  4. Step 4: Simplify right side
    37,548.89x = 709,163,989.30
  5. Step 5: Solve for x
    x = 709,163,989.30/37,548.89
  6. Step 6: Final answer
    x = 18,886.42

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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.