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Finding the Fourth Proportional to 5,905.32, 8,859.12 and 2,210.16

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Solution

The fourth proportional to 5,905.32, 8,859.12 and 2,210.16 is: 3,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.32 : 8,859.12 = 2,210.16 : x
  2. Step 2: Convert to fraction form
    5,905.32/8,859.12 = 2,210.16/x
  3. Step 3: Cross multiply
    5,905.32x = 8,859.12 × 2,210.16
  4. Step 4: Simplify right side
    5,905.32x = 19,580,072.66
  5. Step 5: Solve for x
    x = 19,580,072.66/5,905.32
  6. Step 6: Final answer
    x = 3,315.67

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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.