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Finding the Fourth Proportional to 16,391.52, 24,590.16 and 5,300.64

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Solution

The fourth proportional to 16,391.52, 24,590.16 and 5,300.64 is: 7,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.52 : 24,590.16 = 5,300.64 : x
  2. Step 2: Convert to fraction form
    16,391.52/24,590.16 = 5,300.64/x
  3. Step 3: Cross multiply
    16,391.52x = 24,590.16 × 5,300.64
  4. Step 4: Simplify right side
    16,391.52x = 130,343,585.70
  5. Step 5: Solve for x
    x = 130,343,585.70/16,391.52
  6. Step 6: Final answer
    x = 7,951.89

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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.