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Finding the Fourth Proportional to 1,416.70, 1,952.99 and 1,023.10

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Solution

The fourth proportional to 1,416.70, 1,952.99 and 1,023.10 is: 1,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.70 : 1,952.99 = 1,023.10 : x
  2. Step 2: Convert to fraction form
    1,416.70/1,952.99 = 1,023.10/x
  3. Step 3: Cross multiply
    1,416.70x = 1,952.99 × 1,023.10
  4. Step 4: Simplify right side
    1,416.70x = 1,998,104.07
  5. Step 5: Solve for x
    x = 1,998,104.07/1,416.70
  6. Step 6: Final answer
    x = 1,410.39

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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.