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Finding the Fourth Proportional to 19,735.01, 29,601.55 and 7,254.08

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Solution

The fourth proportional to 19,735.01, 29,601.55 and 7,254.08 is: 10,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.01 : 29,601.55 = 7,254.08 : x
  2. Step 2: Convert to fraction form
    19,735.01/29,601.55 = 7,254.08/x
  3. Step 3: Cross multiply
    19,735.01x = 29,601.55 × 7,254.08
  4. Step 4: Simplify right side
    19,735.01x = 214,732,011.82
  5. Step 5: Solve for x
    x = 214,732,011.82/19,735.01
  6. Step 6: Final answer
    x = 10,880.77

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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.