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Finding the Fourth Proportional to 7,034.04, 9,707.94 and 4,239

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Solution

The fourth proportional to 7,034.04, 9,707.94 and 4,239 is: 5,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.04 : 9,707.94 = 4,239 : x
  2. Step 2: Convert to fraction form
    7,034.04/9,707.94 = 4,239/x
  3. Step 3: Cross multiply
    7,034.04x = 9,707.94 × 4,239
  4. Step 4: Simplify right side
    7,034.04x = 41,151,957.66
  5. Step 5: Solve for x
    x = 41,151,957.66/7,034.04
  6. Step 6: Final answer
    x = 5,850.40

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1.5x scale

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.