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Finding the Fourth Proportional to 7,256.80, 10,852.80 and 6,090.40

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Solution

The fourth proportional to 7,256.80, 10,852.80 and 6,090.40 is: 9,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.80 : 10,852.80 = 6,090.40 : x
  2. Step 2: Convert to fraction form
    7,256.80/10,852.80 = 6,090.40/x
  3. Step 3: Cross multiply
    7,256.80x = 10,852.80 × 6,090.40
  4. Step 4: Simplify right side
    7,256.80x = 66,097,893.12
  5. Step 5: Solve for x
    x = 66,097,893.12/7,256.80
  6. Step 6: Final answer
    x = 9,108.41

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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.