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Finding the Fourth Proportional to 26,988.41, 40,483.02 and 12,187.01

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Solution

The fourth proportional to 26,988.41, 40,483.02 and 12,187.01 is: 18,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.41 : 40,483.02 = 12,187.01 : x
  2. Step 2: Convert to fraction form
    26,988.41/40,483.02 = 12,187.01/x
  3. Step 3: Cross multiply
    26,988.41x = 40,483.02 × 12,187.01
  4. Step 4: Simplify right side
    26,988.41x = 493,366,767.16
  5. Step 5: Solve for x
    x = 493,366,767.16/26,988.41
  6. Step 6: Final answer
    x = 18,280.69

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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.