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Finding the Fourth Proportional to 19,507.94, 29,244.34 and 7,019.18

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Solution

The fourth proportional to 19,507.94, 29,244.34 and 7,019.18 is: 10,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.94 : 29,244.34 = 7,019.18 : x
  2. Step 2: Convert to fraction form
    19,507.94/29,244.34 = 7,019.18/x
  3. Step 3: Cross multiply
    19,507.94x = 29,244.34 × 7,019.18
  4. Step 4: Simplify right side
    19,507.94x = 205,271,342.00
  5. Step 5: Solve for x
    x = 205,271,342.00/19,507.94
  6. Step 6: Final answer
    x = 10,522.45

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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.