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Finding the Fourth Proportional to 26,981.40, 37,225.80 and 16,370.40

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Solution

The fourth proportional to 26,981.40, 37,225.80 and 16,370.40 is: 22,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.40 : 37,225.80 = 16,370.40 : x
  2. Step 2: Convert to fraction form
    26,981.40/37,225.80 = 16,370.40/x
  3. Step 3: Cross multiply
    26,981.40x = 37,225.80 × 16,370.40
  4. Step 4: Simplify right side
    26,981.40x = 609,401,236.32
  5. Step 5: Solve for x
    x = 609,401,236.32/26,981.40
  6. Step 6: Final answer
    x = 22,585.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.