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Finding the Fourth Proportional to 8,533.74, 12,763.62 and 5,015.37

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Solution

The fourth proportional to 8,533.74, 12,763.62 and 5,015.37 is: 7,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.74 : 12,763.62 = 5,015.37 : x
  2. Step 2: Convert to fraction form
    8,533.74/12,763.62 = 5,015.37/x
  3. Step 3: Cross multiply
    8,533.74x = 12,763.62 × 5,015.37
  4. Step 4: Simplify right side
    8,533.74x = 64,014,276.84
  5. Step 5: Solve for x
    x = 64,014,276.84/8,533.74
  6. Step 6: Final answer
    x = 7,501.32

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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.