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Finding the Fourth Proportional to 37,370, 56,063.88 and 12,746

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Solution

The fourth proportional to 37,370, 56,063.88 and 12,746 is: 19,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,370 : 56,063.88 = 12,746 : x
  2. Step 2: Convert to fraction form
    37,370/56,063.88 = 12,746/x
  3. Step 3: Cross multiply
    37,370x = 56,063.88 × 12,746
  4. Step 4: Simplify right side
    37,370x = 714,590,214.48
  5. Step 5: Solve for x
    x = 714,590,214.48/37,370
  6. Step 6: Final answer
    x = 19,122.03

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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.