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Finding the Fourth Proportional to 11,030.58, 16,547.09 and 3,240

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Solution

The fourth proportional to 11,030.58, 16,547.09 and 3,240 is: 4,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.58 : 16,547.09 = 3,240 : x
  2. Step 2: Convert to fraction form
    11,030.58/16,547.09 = 3,240/x
  3. Step 3: Cross multiply
    11,030.58x = 16,547.09 × 3,240
  4. Step 4: Simplify right side
    11,030.58x = 53,612,555.40
  5. Step 5: Solve for x
    x = 53,612,555.40/11,030.58
  6. Step 6: Final answer
    x = 4,860.36

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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.