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Finding the Fourth Proportional to 33,312.60, 49,968.90 and 9,620.10

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Solution

The fourth proportional to 33,312.60, 49,968.90 and 9,620.10 is: 14,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.60 : 49,968.90 = 9,620.10 : x
  2. Step 2: Convert to fraction form
    33,312.60/49,968.90 = 9,620.10/x
  3. Step 3: Cross multiply
    33,312.60x = 49,968.90 × 9,620.10
  4. Step 4: Simplify right side
    33,312.60x = 480,705,814.89
  5. Step 5: Solve for x
    x = 480,705,814.89/33,312.60
  6. Step 6: Final answer
    x = 14,430.15

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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.