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Finding the Fourth Proportional to 19,094.60, 28,617.60 and 9,212.60

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Solution

The fourth proportional to 19,094.60, 28,617.60 and 9,212.60 is: 13,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.60 : 28,617.60 = 9,212.60 : x
  2. Step 2: Convert to fraction form
    19,094.60/28,617.60 = 9,212.60/x
  3. Step 3: Cross multiply
    19,094.60x = 28,617.60 × 9,212.60
  4. Step 4: Simplify right side
    19,094.60x = 263,642,501.76
  5. Step 5: Solve for x
    x = 263,642,501.76/19,094.60
  6. Step 6: Final answer
    x = 13,807.18

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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.