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Finding the Fourth Proportional to 7,783.34, 10,741.07 and 4,246.58

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Solution

The fourth proportional to 7,783.34, 10,741.07 and 4,246.58 is: 5,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.34 : 10,741.07 = 4,246.58 : x
  2. Step 2: Convert to fraction form
    7,783.34/10,741.07 = 4,246.58/x
  3. Step 3: Cross multiply
    7,783.34x = 10,741.07 × 4,246.58
  4. Step 4: Simplify right side
    7,783.34x = 45,612,813.04
  5. Step 5: Solve for x
    x = 45,612,813.04/7,783.34
  6. Step 6: Final answer
    x = 5,860.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.