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Finding the Fourth Proportional to 72,925.73, 109,388.61 and 17,521.73

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Solution

The fourth proportional to 72,925.73, 109,388.61 and 17,521.73 is: 26,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,925.73 : 109,388.61 = 17,521.73 : x
  2. Step 2: Convert to fraction form
    72,925.73/109,388.61 = 17,521.73/x
  3. Step 3: Cross multiply
    72,925.73x = 109,388.61 × 17,521.73
  4. Step 4: Simplify right side
    72,925.73x = 1,916,678,168.07
  5. Step 5: Solve for x
    x = 1,916,678,168.07/72,925.73
  6. Step 6: Final answer
    x = 26,282.60

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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.