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Finding the Fourth Proportional to 15,765.66, 23,632.05 and 5,900.64

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Solution

The fourth proportional to 15,765.66, 23,632.05 and 5,900.64 is: 8,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.66 : 23,632.05 = 5,900.64 : x
  2. Step 2: Convert to fraction form
    15,765.66/23,632.05 = 5,900.64/x
  3. Step 3: Cross multiply
    15,765.66x = 23,632.05 × 5,900.64
  4. Step 4: Simplify right side
    15,765.66x = 139,444,219.51
  5. Step 5: Solve for x
    x = 139,444,219.51/15,765.66
  6. Step 6: Final answer
    x = 8,844.81

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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.