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Finding the Fourth Proportional to 4,698.71, 7,009.71 and 4,329.65

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Solution

The fourth proportional to 4,698.71, 7,009.71 and 4,329.65 is: 6,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.71 : 7,009.71 = 4,329.65 : x
  2. Step 2: Convert to fraction form
    4,698.71/7,009.71 = 4,329.65/x
  3. Step 3: Cross multiply
    4,698.71x = 7,009.71 × 4,329.65
  4. Step 4: Simplify right side
    4,698.71x = 30,349,628.72
  5. Step 5: Solve for x
    x = 30,349,628.72/4,698.71
  6. Step 6: Final answer
    x = 6,459.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.