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Finding the Fourth Proportional to 6,164, 9,245.32 and 1,547

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Solution

The fourth proportional to 6,164, 9,245.32 and 1,547 is: 2,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,164 : 9,245.32 = 1,547 : x
  2. Step 2: Convert to fraction form
    6,164/9,245.32 = 1,547/x
  3. Step 3: Cross multiply
    6,164x = 9,245.32 × 1,547
  4. Step 4: Simplify right side
    6,164x = 14,302,510.04
  5. Step 5: Solve for x
    x = 14,302,510.04/6,164
  6. Step 6: Final answer
    x = 2,320.33

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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.