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Finding the Fourth Proportional to 9,654.48, 13,323.48 and 6,783.60

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Solution

The fourth proportional to 9,654.48, 13,323.48 and 6,783.60 is: 9,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,654.48 : 13,323.48 = 6,783.60 : x
  2. Step 2: Convert to fraction form
    9,654.48/13,323.48 = 6,783.60/x
  3. Step 3: Cross multiply
    9,654.48x = 13,323.48 × 6,783.60
  4. Step 4: Simplify right side
    9,654.48x = 90,381,158.93
  5. Step 5: Solve for x
    x = 90,381,158.93/9,654.48
  6. Step 6: Final answer
    x = 9,361.58

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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.