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Finding the Fourth Proportional to 28,063.04, 42,101.48 and 8,341.51

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Solution

The fourth proportional to 28,063.04, 42,101.48 and 8,341.51 is: 12,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.04 : 42,101.48 = 8,341.51 : x
  2. Step 2: Convert to fraction form
    28,063.04/42,101.48 = 8,341.51/x
  3. Step 3: Cross multiply
    28,063.04x = 42,101.48 × 8,341.51
  4. Step 4: Simplify right side
    28,063.04x = 351,189,832.03
  5. Step 5: Solve for x
    x = 351,189,832.03/28,063.04
  6. Step 6: Final answer
    x = 12,514.32

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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.