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Finding the Fourth Proportional to 26,999.74, 40,495 and 7,273.68

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Solution

The fourth proportional to 26,999.74, 40,495 and 7,273.68 is: 10,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.74 : 40,495 = 7,273.68 : x
  2. Step 2: Convert to fraction form
    26,999.74/40,495 = 7,273.68/x
  3. Step 3: Cross multiply
    26,999.74x = 40,495 × 7,273.68
  4. Step 4: Simplify right side
    26,999.74x = 294,547,671.60
  5. Step 5: Solve for x
    x = 294,547,671.60/26,999.74
  6. Step 6: Final answer
    x = 10,909.28

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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.