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Finding the Fourth Proportional to 26,360.02, 39,540.04 and 7,640.08

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Solution

The fourth proportional to 26,360.02, 39,540.04 and 7,640.08 is: 11,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,360.02 : 39,540.04 = 7,640.08 : x
  2. Step 2: Convert to fraction form
    26,360.02/39,540.04 = 7,640.08/x
  3. Step 3: Cross multiply
    26,360.02x = 39,540.04 × 7,640.08
  4. Step 4: Simplify right side
    26,360.02x = 302,089,068.80
  5. Step 5: Solve for x
    x = 302,089,068.80/26,360.02
  6. Step 6: Final answer
    x = 11,460.12

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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.