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Finding the Fourth Proportional to 14,865.70, 22,279.65 and 6,090.70

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Solution

The fourth proportional to 14,865.70, 22,279.65 and 6,090.70 is: 9,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.70 : 22,279.65 = 6,090.70 : x
  2. Step 2: Convert to fraction form
    14,865.70/22,279.65 = 6,090.70/x
  3. Step 3: Cross multiply
    14,865.70x = 22,279.65 × 6,090.70
  4. Step 4: Simplify right side
    14,865.70x = 135,698,664.26
  5. Step 5: Solve for x
    x = 135,698,664.26/14,865.70
  6. Step 6: Final answer
    x = 9,128.31

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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.