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Finding the Fourth Proportional to 7,103, 9,794.01 and 4,547.40

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Solution

The fourth proportional to 7,103, 9,794.01 and 4,547.40 is: 6,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103 : 9,794.01 = 4,547.40 : x
  2. Step 2: Convert to fraction form
    7,103/9,794.01 = 4,547.40/x
  3. Step 3: Cross multiply
    7,103x = 9,794.01 × 4,547.40
  4. Step 4: Simplify right side
    7,103x = 44,537,281.07
  5. Step 5: Solve for x
    x = 44,537,281.07/7,103
  6. Step 6: Final answer
    x = 6,270.21

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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.