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Finding the Fourth Proportional to 37,651.92, 56,478.08 and 12,692.19

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Solution

The fourth proportional to 37,651.92, 56,478.08 and 12,692.19 is: 19,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,651.92 : 56,478.08 = 12,692.19 : x
  2. Step 2: Convert to fraction form
    37,651.92/56,478.08 = 12,692.19/x
  3. Step 3: Cross multiply
    37,651.92x = 56,478.08 × 12,692.19
  4. Step 4: Simplify right side
    37,651.92x = 716,830,217.79
  5. Step 5: Solve for x
    x = 716,830,217.79/37,651.92
  6. Step 6: Final answer
    x = 19,038.34

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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.