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Finding the Fourth Proportional to 7,669.22, 11,503.93 and 5,053.46

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Solution

The fourth proportional to 7,669.22, 11,503.93 and 5,053.46 is: 7,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.22 : 11,503.93 = 5,053.46 : x
  2. Step 2: Convert to fraction form
    7,669.22/11,503.93 = 5,053.46/x
  3. Step 3: Cross multiply
    7,669.22x = 11,503.93 × 5,053.46
  4. Step 4: Simplify right side
    7,669.22x = 58,134,666.22
  5. Step 5: Solve for x
    x = 58,134,666.22/7,669.22
  6. Step 6: Final answer
    x = 7,580.26

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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.