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Finding the Fourth Proportional to 16,370.07, 22,590.69 and 8,918.07

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Solution

The fourth proportional to 16,370.07, 22,590.69 and 8,918.07 is: 12,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,370.07 : 22,590.69 = 8,918.07 : x
  2. Step 2: Convert to fraction form
    16,370.07/22,590.69 = 8,918.07/x
  3. Step 3: Cross multiply
    16,370.07x = 22,590.69 × 8,918.07
  4. Step 4: Simplify right side
    16,370.07x = 201,465,354.77
  5. Step 5: Solve for x
    x = 201,465,354.77/16,370.07
  6. Step 6: Final answer
    x = 12,306.93

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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.