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Finding the Fourth Proportional to 15,130.40, 22,704.48 and 6,364.64

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Solution

The fourth proportional to 15,130.40, 22,704.48 and 6,364.64 is: 9,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.40 : 22,704.48 = 6,364.64 : x
  2. Step 2: Convert to fraction form
    15,130.40/22,704.48 = 6,364.64/x
  3. Step 3: Cross multiply
    15,130.40x = 22,704.48 × 6,364.64
  4. Step 4: Simplify right side
    15,130.40x = 144,505,841.59
  5. Step 5: Solve for x
    x = 144,505,841.59/15,130.40
  6. Step 6: Final answer
    x = 9,550.70

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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.