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Finding the Fourth Proportional to 29,392.61, 40,566.39 and 16,646.45

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Solution

The fourth proportional to 29,392.61, 40,566.39 and 16,646.45 is: 22,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,392.61 : 40,566.39 = 16,646.45 : x
  2. Step 2: Convert to fraction form
    29,392.61/40,566.39 = 16,646.45/x
  3. Step 3: Cross multiply
    29,392.61x = 40,566.39 × 16,646.45
  4. Step 4: Simplify right side
    29,392.61x = 675,286,484.23
  5. Step 5: Solve for x
    x = 675,286,484.23/29,392.61
  6. Step 6: Final answer
    x = 22,974.70

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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.