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Finding the Fourth Proportional to 52,515.99, 72,472.14 and 28,642.77

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Solution

The fourth proportional to 52,515.99, 72,472.14 and 28,642.77 is: 39,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.99 : 72,472.14 = 28,642.77 : x
  2. Step 2: Convert to fraction form
    52,515.99/72,472.14 = 28,642.77/x
  3. Step 3: Cross multiply
    52,515.99x = 72,472.14 × 28,642.77
  4. Step 4: Simplify right side
    52,515.99x = 2,075,802,837.43
  5. Step 5: Solve for x
    x = 2,075,802,837.43/52,515.99
  6. Step 6: Final answer
    x = 39,527.06

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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.