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Finding the Fourth Proportional to 25,971, 38,923.62 and 16,607.40

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Solution

The fourth proportional to 25,971, 38,923.62 and 16,607.40 is: 24,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971 : 38,923.62 = 16,607.40 : x
  2. Step 2: Convert to fraction form
    25,971/38,923.62 = 16,607.40/x
  3. Step 3: Cross multiply
    25,971x = 38,923.62 × 16,607.40
  4. Step 4: Simplify right side
    25,971x = 646,420,126.79
  5. Step 5: Solve for x
    x = 646,420,126.79/25,971
  6. Step 6: Final answer
    x = 24,890.07

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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.