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Finding the Fourth Proportional to 28,477.65, 42,659.04 and 23,843.94

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Solution

The fourth proportional to 28,477.65, 42,659.04 and 23,843.94 is: 35,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.65 : 42,659.04 = 23,843.94 : x
  2. Step 2: Convert to fraction form
    28,477.65/42,659.04 = 23,843.94/x
  3. Step 3: Cross multiply
    28,477.65x = 42,659.04 × 23,843.94
  4. Step 4: Simplify right side
    28,477.65x = 1,017,159,590.22
  5. Step 5: Solve for x
    x = 1,017,159,590.22/28,477.65
  6. Step 6: Final answer
    x = 35,717.82

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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.