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Finding the Fourth Proportional to 7,070.84, 10,554.52 and 6,556.84

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Solution

The fourth proportional to 7,070.84, 10,554.52 and 6,556.84 is: 9,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.84 : 10,554.52 = 6,556.84 : x
  2. Step 2: Convert to fraction form
    7,070.84/10,554.52 = 6,556.84/x
  3. Step 3: Cross multiply
    7,070.84x = 10,554.52 × 6,556.84
  4. Step 4: Simplify right side
    7,070.84x = 69,204,298.92
  5. Step 5: Solve for x
    x = 69,204,298.92/7,070.84
  6. Step 6: Final answer
    x = 9,787.28

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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.