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Finding the Fourth Proportional to 37,155, 55,741.14 and 26,748.12

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Solution

The fourth proportional to 37,155, 55,741.14 and 26,748.12 is: 40,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155 : 55,741.14 = 26,748.12 : x
  2. Step 2: Convert to fraction form
    37,155/55,741.14 = 26,748.12/x
  3. Step 3: Cross multiply
    37,155x = 55,741.14 × 26,748.12
  4. Step 4: Simplify right side
    37,155x = 1,490,970,701.66
  5. Step 5: Solve for x
    x = 1,490,970,701.66/37,155
  6. Step 6: Final answer
    x = 40,128.40

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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.