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Finding the Fourth Proportional to 34,846.80, 48,088.77 and 21,426.82

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Solution

The fourth proportional to 34,846.80, 48,088.77 and 21,426.82 is: 29,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,846.80 : 48,088.77 = 21,426.82 : x
  2. Step 2: Convert to fraction form
    34,846.80/48,088.77 = 21,426.82/x
  3. Step 3: Cross multiply
    34,846.80x = 48,088.77 × 21,426.82
  4. Step 4: Simplify right side
    34,846.80x = 1,030,389,418.81
  5. Step 5: Solve for x
    x = 1,030,389,418.81/34,846.80
  6. Step 6: Final answer
    x = 29,569.13

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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.