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Finding the Fourth Proportional to 19,210.16, 28,814.22 and 5,883.15

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Solution

The fourth proportional to 19,210.16, 28,814.22 and 5,883.15 is: 8,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.16 : 28,814.22 = 5,883.15 : x
  2. Step 2: Convert to fraction form
    19,210.16/28,814.22 = 5,883.15/x
  3. Step 3: Cross multiply
    19,210.16x = 28,814.22 × 5,883.15
  4. Step 4: Simplify right side
    19,210.16x = 169,518,378.39
  5. Step 5: Solve for x
    x = 169,518,378.39/19,210.16
  6. Step 6: Final answer
    x = 8,824.41

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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.