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Finding the Fourth Proportional to 29,409.56, 40,602.08 and 19,367.16

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Solution

The fourth proportional to 29,409.56, 40,602.08 and 19,367.16 is: 26,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,409.56 : 40,602.08 = 19,367.16 : x
  2. Step 2: Convert to fraction form
    29,409.56/40,602.08 = 19,367.16/x
  3. Step 3: Cross multiply
    29,409.56x = 40,602.08 × 19,367.16
  4. Step 4: Simplify right side
    29,409.56x = 786,346,979.69
  5. Step 5: Solve for x
    x = 786,346,979.69/29,409.56
  6. Step 6: Final answer
    x = 26,737.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.