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Finding the Fourth Proportional to 48,610.99, 72,859.16 and 21,925.74

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Solution

The fourth proportional to 48,610.99, 72,859.16 and 21,925.74 is: 32,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,610.99 : 72,859.16 = 21,925.74 : x
  2. Step 2: Convert to fraction form
    48,610.99/72,859.16 = 21,925.74/x
  3. Step 3: Cross multiply
    48,610.99x = 72,859.16 × 21,925.74
  4. Step 4: Simplify right side
    48,610.99x = 1,597,490,916.98
  5. Step 5: Solve for x
    x = 1,597,490,916.98/48,610.99
  6. Step 6: Final answer
    x = 32,862.76

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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.