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Finding the Fourth Proportional to 40,264.47, 60,384.40 and 19,193.40

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Solution

The fourth proportional to 40,264.47, 60,384.40 and 19,193.40 is: 28,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,264.47 : 60,384.40 = 19,193.40 : x
  2. Step 2: Convert to fraction form
    40,264.47/60,384.40 = 19,193.40/x
  3. Step 3: Cross multiply
    40,264.47x = 60,384.40 × 19,193.40
  4. Step 4: Simplify right side
    40,264.47x = 1,158,981,894.98
  5. Step 5: Solve for x
    x = 1,158,981,894.98/40,264.47
  6. Step 6: Final answer
    x = 28,784.23

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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.