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Finding the Fourth Proportional to 14,644.84, 21,970.86 and 4,256.68

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Solution

The fourth proportional to 14,644.84, 21,970.86 and 4,256.68 is: 6,386.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.84 : 21,970.86 = 4,256.68 : x
  2. Step 2: Convert to fraction form
    14,644.84/21,970.86 = 4,256.68/x
  3. Step 3: Cross multiply
    14,644.84x = 21,970.86 × 4,256.68
  4. Step 4: Simplify right side
    14,644.84x = 93,522,920.34
  5. Step 5: Solve for x
    x = 93,522,920.34/14,644.84
  6. Step 6: Final answer
    x = 6,386.07

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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.