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Finding the Fourth Proportional to 6,653.58, 9,980.02 and 1,973.62

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Solution

The fourth proportional to 6,653.58, 9,980.02 and 1,973.62 is: 2,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.58 : 9,980.02 = 1,973.62 : x
  2. Step 2: Convert to fraction form
    6,653.58/9,980.02 = 1,973.62/x
  3. Step 3: Cross multiply
    6,653.58x = 9,980.02 × 1,973.62
  4. Step 4: Simplify right side
    6,653.58x = 19,696,782.01
  5. Step 5: Solve for x
    x = 19,696,782.01/6,653.58
  6. Step 6: Final answer
    x = 2,960.33

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1.5x scale

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.