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Finding the Fourth Proportional to 10,698.40, 16,048.40 and 2,907.04

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Solution

The fourth proportional to 10,698.40, 16,048.40 and 2,907.04 is: 4,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.40 : 16,048.40 = 2,907.04 : x
  2. Step 2: Convert to fraction form
    10,698.40/16,048.40 = 2,907.04/x
  3. Step 3: Cross multiply
    10,698.40x = 16,048.40 × 2,907.04
  4. Step 4: Simplify right side
    10,698.40x = 46,653,340.74
  5. Step 5: Solve for x
    x = 46,653,340.74/10,698.40
  6. Step 6: Final answer
    x = 4,360.78

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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.