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Finding the Fourth Proportional to 19,957.59, 29,944.89 and 7,483.59

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Solution

The fourth proportional to 19,957.59, 29,944.89 and 7,483.59 is: 11,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.59 : 29,944.89 = 7,483.59 : x
  2. Step 2: Convert to fraction form
    19,957.59/29,944.89 = 7,483.59/x
  3. Step 3: Cross multiply
    19,957.59x = 29,944.89 × 7,483.59
  4. Step 4: Simplify right side
    19,957.59x = 224,095,279.36
  5. Step 5: Solve for x
    x = 224,095,279.36/19,957.59
  6. Step 6: Final answer
    x = 11,228.57

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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.