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Finding the Fourth Proportional to 30,848.80, 46,259.52 and 14,204.80

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Solution

The fourth proportional to 30,848.80, 46,259.52 and 14,204.80 is: 21,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.80 : 46,259.52 = 14,204.80 : x
  2. Step 2: Convert to fraction form
    30,848.80/46,259.52 = 14,204.80/x
  3. Step 3: Cross multiply
    30,848.80x = 46,259.52 × 14,204.80
  4. Step 4: Simplify right side
    30,848.80x = 657,107,229.70
  5. Step 5: Solve for x
    x = 657,107,229.70/30,848.80
  6. Step 6: Final answer
    x = 21,300.90

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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.