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Finding the Fourth Proportional to 16,860.84, 25,294.86 and 6,472.50

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Solution

The fourth proportional to 16,860.84, 25,294.86 and 6,472.50 is: 9,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.84 : 25,294.86 = 6,472.50 : x
  2. Step 2: Convert to fraction form
    16,860.84/25,294.86 = 6,472.50/x
  3. Step 3: Cross multiply
    16,860.84x = 25,294.86 × 6,472.50
  4. Step 4: Simplify right side
    16,860.84x = 163,720,981.35
  5. Step 5: Solve for x
    x = 163,720,981.35/16,860.84
  6. Step 6: Final answer
    x = 9,710.13

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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.