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Finding the Fourth Proportional to 7,571.60, 10,448.40 and 4,384.34

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Solution

The fourth proportional to 7,571.60, 10,448.40 and 4,384.34 is: 6,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.60 : 10,448.40 = 4,384.34 : x
  2. Step 2: Convert to fraction form
    7,571.60/10,448.40 = 4,384.34/x
  3. Step 3: Cross multiply
    7,571.60x = 10,448.40 × 4,384.34
  4. Step 4: Simplify right side
    7,571.60x = 45,809,338.06
  5. Step 5: Solve for x
    x = 45,809,338.06/7,571.60
  6. Step 6: Final answer
    x = 6,050.15

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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.