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Finding the Fourth Proportional to 37,661.48, 56,452.80 and 12,692.90

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Solution

The fourth proportional to 37,661.48, 56,452.80 and 12,692.90 is: 19,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.48 : 56,452.80 = 12,692.90 : x
  2. Step 2: Convert to fraction form
    37,661.48/56,452.80 = 12,692.90/x
  3. Step 3: Cross multiply
    37,661.48x = 56,452.80 × 12,692.90
  4. Step 4: Simplify right side
    37,661.48x = 716,549,494.59
  5. Step 5: Solve for x
    x = 716,549,494.59/37,661.48
  6. Step 6: Final answer
    x = 19,026.06

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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.