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Finding the Fourth Proportional to 29,585.40, 40,828.06 and 16,156.40

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Solution

The fourth proportional to 29,585.40, 40,828.06 and 16,156.40 is: 22,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,585.40 : 40,828.06 = 16,156.40 : x
  2. Step 2: Convert to fraction form
    29,585.40/40,828.06 = 16,156.40/x
  3. Step 3: Cross multiply
    29,585.40x = 40,828.06 × 16,156.40
  4. Step 4: Simplify right side
    29,585.40x = 659,634,468.58
  5. Step 5: Solve for x
    x = 659,634,468.58/29,585.40
  6. Step 6: Final answer
    x = 22,295.95

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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.