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Finding the Fourth Proportional to 7,133.76, 9,848.40 and 6,571.68

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Solution

The fourth proportional to 7,133.76, 9,848.40 and 6,571.68 is: 9,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.76 : 9,848.40 = 6,571.68 : x
  2. Step 2: Convert to fraction form
    7,133.76/9,848.40 = 6,571.68/x
  3. Step 3: Cross multiply
    7,133.76x = 9,848.40 × 6,571.68
  4. Step 4: Simplify right side
    7,133.76x = 64,720,533.31
  5. Step 5: Solve for x
    x = 64,720,533.31/7,133.76
  6. Step 6: Final answer
    x = 9,072.43

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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.