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Finding the Fourth Proportional to 2,909.99, 4,365.51 and 1,348.95

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Solution

The fourth proportional to 2,909.99, 4,365.51 and 1,348.95 is: 2,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.99 : 4,365.51 = 1,348.95 : x
  2. Step 2: Convert to fraction form
    2,909.99/4,365.51 = 1,348.95/x
  3. Step 3: Cross multiply
    2,909.99x = 4,365.51 × 1,348.95
  4. Step 4: Simplify right side
    2,909.99x = 5,888,854.71
  5. Step 5: Solve for x
    x = 5,888,854.71/2,909.99
  6. Step 6: Final answer
    x = 2,023.67

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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.