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Finding the Fourth Proportional to 28,934.90, 43,369.95 and 16,460.90

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Solution

The fourth proportional to 28,934.90, 43,369.95 and 16,460.90 is: 24,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.90 : 43,369.95 = 16,460.90 : x
  2. Step 2: Convert to fraction form
    28,934.90/43,369.95 = 16,460.90/x
  3. Step 3: Cross multiply
    28,934.90x = 43,369.95 × 16,460.90
  4. Step 4: Simplify right side
    28,934.90x = 713,908,409.96
  5. Step 5: Solve for x
    x = 713,908,409.96/28,934.90
  6. Step 6: Final answer
    x = 24,672.92

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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.