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Finding the Fourth Proportional to 51,097.66, 70,514.77 and 28,741.66

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Solution

The fourth proportional to 51,097.66, 70,514.77 and 28,741.66 is: 39,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,097.66 : 70,514.77 = 28,741.66 : x
  2. Step 2: Convert to fraction form
    51,097.66/70,514.77 = 28,741.66/x
  3. Step 3: Cross multiply
    51,097.66x = 70,514.77 × 28,741.66
  4. Step 4: Simplify right side
    51,097.66x = 2,026,711,544.32
  5. Step 5: Solve for x
    x = 2,026,711,544.32/51,097.66
  6. Step 6: Final answer
    x = 39,663.49

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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.