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Finding the Fourth Proportional to 28,596.94, 39,463.77 and 17,418.94

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Solution

The fourth proportional to 28,596.94, 39,463.77 and 17,418.94 is: 24,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.94 : 39,463.77 = 17,418.94 : x
  2. Step 2: Convert to fraction form
    28,596.94/39,463.77 = 17,418.94/x
  3. Step 3: Cross multiply
    28,596.94x = 39,463.77 × 17,418.94
  4. Step 4: Simplify right side
    28,596.94x = 687,417,008.47
  5. Step 5: Solve for x
    x = 687,417,008.47/28,596.94
  6. Step 6: Final answer
    x = 24,038.13

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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.