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Finding the Fourth Proportional to 7,653.84, 11,485.15 and 2,973.25

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Solution

The fourth proportional to 7,653.84, 11,485.15 and 2,973.25 is: 4,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.84 : 11,485.15 = 2,973.25 : x
  2. Step 2: Convert to fraction form
    7,653.84/11,485.15 = 2,973.25/x
  3. Step 3: Cross multiply
    7,653.84x = 11,485.15 × 2,973.25
  4. Step 4: Simplify right side
    7,653.84x = 34,148,205.22
  5. Step 5: Solve for x
    x = 34,148,205.22/7,653.84
  6. Step 6: Final answer
    x = 4,461.58

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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.