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Finding the Fourth Proportional to 15,206.40, 22,809.60 and 14,630.40

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Solution

The fourth proportional to 15,206.40, 22,809.60 and 14,630.40 is: 21,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.40 : 22,809.60 = 14,630.40 : x
  2. Step 2: Convert to fraction form
    15,206.40/22,809.60 = 14,630.40/x
  3. Step 3: Cross multiply
    15,206.40x = 22,809.60 × 14,630.40
  4. Step 4: Simplify right side
    15,206.40x = 333,713,571.84
  5. Step 5: Solve for x
    x = 333,713,571.84/15,206.40
  6. Step 6: Final answer
    x = 21,945.60

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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.