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Finding the Fourth Proportional to 9,305.40, 13,050.60 and 9,305.40

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Solution

The fourth proportional to 9,305.40, 13,050.60 and 9,305.40 is: 13,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.40 : 13,050.60 = 9,305.40 : x
  2. Step 2: Convert to fraction form
    9,305.40/13,050.60 = 9,305.40/x
  3. Step 3: Cross multiply
    9,305.40x = 13,050.60 × 9,305.40
  4. Step 4: Simplify right side
    9,305.40x = 121,441,053.24
  5. Step 5: Solve for x
    x = 121,441,053.24/9,305.40
  6. Step 6: Final answer
    x = 13,050.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.