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Finding the Fourth Proportional to 22,585.64, 33,878.46 and 9,430.85

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Solution

The fourth proportional to 22,585.64, 33,878.46 and 9,430.85 is: 14,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.64 : 33,878.46 = 9,430.85 : x
  2. Step 2: Convert to fraction form
    22,585.64/33,878.46 = 9,430.85/x
  3. Step 3: Cross multiply
    22,585.64x = 33,878.46 × 9,430.85
  4. Step 4: Simplify right side
    22,585.64x = 319,502,674.49
  5. Step 5: Solve for x
    x = 319,502,674.49/22,585.64
  6. Step 6: Final answer
    x = 14,146.28

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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.