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Finding the Fourth Proportional to 7,293.84, 10,922.40 and 6,628.02

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Solution

The fourth proportional to 7,293.84, 10,922.40 and 6,628.02 is: 9,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.84 : 10,922.40 = 6,628.02 : x
  2. Step 2: Convert to fraction form
    7,293.84/10,922.40 = 6,628.02/x
  3. Step 3: Cross multiply
    7,293.84x = 10,922.40 × 6,628.02
  4. Step 4: Simplify right side
    7,293.84x = 72,393,885.65
  5. Step 5: Solve for x
    x = 72,393,885.65/7,293.84
  6. Step 6: Final answer
    x = 9,925.35

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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.