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Finding the Fourth Proportional to 3,340.40, 4,609.40 and 1,848.08

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Solution

The fourth proportional to 3,340.40, 4,609.40 and 1,848.08 is: 2,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.40 : 4,609.40 = 1,848.08 : x
  2. Step 2: Convert to fraction form
    3,340.40/4,609.40 = 1,848.08/x
  3. Step 3: Cross multiply
    3,340.40x = 4,609.40 × 1,848.08
  4. Step 4: Simplify right side
    3,340.40x = 8,518,539.95
  5. Step 5: Solve for x
    x = 8,518,539.95/3,340.40
  6. Step 6: Final answer
    x = 2,550.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.