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Finding the Fourth Proportional to 9,009.60, 13,503.60 and 4,624.80

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Solution

The fourth proportional to 9,009.60, 13,503.60 and 4,624.80 is: 6,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.60 : 13,503.60 = 4,624.80 : x
  2. Step 2: Convert to fraction form
    9,009.60/13,503.60 = 4,624.80/x
  3. Step 3: Cross multiply
    9,009.60x = 13,503.60 × 4,624.80
  4. Step 4: Simplify right side
    9,009.60x = 62,451,449.28
  5. Step 5: Solve for x
    x = 62,451,449.28/9,009.60
  6. Step 6: Final answer
    x = 6,931.66

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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.