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Finding the Fourth Proportional to 48,521.94, 72,782.94 and 13,461.63

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Solution

The fourth proportional to 48,521.94, 72,782.94 and 13,461.63 is: 20,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,521.94 : 72,782.94 = 13,461.63 : x
  2. Step 2: Convert to fraction form
    48,521.94/72,782.94 = 13,461.63/x
  3. Step 3: Cross multiply
    48,521.94x = 72,782.94 × 13,461.63
  4. Step 4: Simplify right side
    48,521.94x = 979,777,008.59
  5. Step 5: Solve for x
    x = 979,777,008.59/48,521.94
  6. Step 6: Final answer
    x = 20,192.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.