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Finding the Fourth Proportional to 9,480.30, 14,208.30 and 4,539.30

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Solution

The fourth proportional to 9,480.30, 14,208.30 and 4,539.30 is: 6,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.30 : 14,208.30 = 4,539.30 : x
  2. Step 2: Convert to fraction form
    9,480.30/14,208.30 = 4,539.30/x
  3. Step 3: Cross multiply
    9,480.30x = 14,208.30 × 4,539.30
  4. Step 4: Simplify right side
    9,480.30x = 64,495,736.19
  5. Step 5: Solve for x
    x = 64,495,736.19/9,480.30
  6. Step 6: Final answer
    x = 6,803.13

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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.