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Finding the Fourth Proportional to 7,169.59, 9,898.09 and 4,653.93

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Solution

The fourth proportional to 7,169.59, 9,898.09 and 4,653.93 is: 6,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.59 : 9,898.09 = 4,653.93 : x
  2. Step 2: Convert to fraction form
    7,169.59/9,898.09 = 4,653.93/x
  3. Step 3: Cross multiply
    7,169.59x = 9,898.09 × 4,653.93
  4. Step 4: Simplify right side
    7,169.59x = 46,065,043.48
  5. Step 5: Solve for x
    x = 46,065,043.48/7,169.59
  6. Step 6: Final answer
    x = 6,425.06

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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.