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Finding the Fourth Proportional to 30,392.57, 45,602.49 and 19,296.29

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Solution

The fourth proportional to 30,392.57, 45,602.49 and 19,296.29 is: 28,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.57 : 45,602.49 = 19,296.29 : x
  2. Step 2: Convert to fraction form
    30,392.57/45,602.49 = 19,296.29/x
  3. Step 3: Cross multiply
    30,392.57x = 45,602.49 × 19,296.29
  4. Step 4: Simplify right side
    30,392.57x = 879,958,643.75
  5. Step 5: Solve for x
    x = 879,958,643.75/30,392.57
  6. Step 6: Final answer
    x = 28,953.09

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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.