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Finding the Fourth Proportional to 11,068.48, 15,264.48 and 7,336

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Solution

The fourth proportional to 11,068.48, 15,264.48 and 7,336 is: 10,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.48 : 15,264.48 = 7,336 : x
  2. Step 2: Convert to fraction form
    11,068.48/15,264.48 = 7,336/x
  3. Step 3: Cross multiply
    11,068.48x = 15,264.48 × 7,336
  4. Step 4: Simplify right side
    11,068.48x = 111,980,225.28
  5. Step 5: Solve for x
    x = 111,980,225.28/11,068.48
  6. Step 6: Final answer
    x = 10,117.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.