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Finding the Fourth Proportional to 53,369.99, 79,568.53 and 52,006.76

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Solution

The fourth proportional to 53,369.99, 79,568.53 and 52,006.76 is: 77,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,369.99 : 79,568.53 = 52,006.76 : x
  2. Step 2: Convert to fraction form
    53,369.99/79,568.53 = 52,006.76/x
  3. Step 3: Cross multiply
    53,369.99x = 79,568.53 × 52,006.76
  4. Step 4: Simplify right side
    53,369.99x = 4,138,101,183.23
  5. Step 5: Solve for x
    x = 4,138,101,183.23/53,369.99
  6. Step 6: Final answer
    x = 77,536.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.