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Finding the Fourth Proportional to 29,784.70, 41,102.70 and 16,356.16

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Solution

The fourth proportional to 29,784.70, 41,102.70 and 16,356.16 is: 22,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,784.70 : 41,102.70 = 16,356.16 : x
  2. Step 2: Convert to fraction form
    29,784.70/41,102.70 = 16,356.16/x
  3. Step 3: Cross multiply
    29,784.70x = 41,102.70 × 16,356.16
  4. Step 4: Simplify right side
    29,784.70x = 672,282,337.63
  5. Step 5: Solve for x
    x = 672,282,337.63/29,784.70
  6. Step 6: Final answer
    x = 22,571.40

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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.