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Finding the Fourth Proportional to 19,574.12, 29,361.16 and 7,094.12

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Solution

The fourth proportional to 19,574.12, 29,361.16 and 7,094.12 is: 10,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.12 : 29,361.16 = 7,094.12 : x
  2. Step 2: Convert to fraction form
    19,574.12/29,361.16 = 7,094.12/x
  3. Step 3: Cross multiply
    19,574.12x = 29,361.16 × 7,094.12
  4. Step 4: Simplify right side
    19,574.12x = 208,291,558.36
  5. Step 5: Solve for x
    x = 208,291,558.36/19,574.12
  6. Step 6: Final answer
    x = 10,641.17

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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.