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Finding the Fourth Proportional to 1,416.88, 1,955.48 and 795.88

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Solution

The fourth proportional to 1,416.88, 1,955.48 and 795.88 is: 1,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.88 : 1,955.48 = 795.88 : x
  2. Step 2: Convert to fraction form
    1,416.88/1,955.48 = 795.88/x
  3. Step 3: Cross multiply
    1,416.88x = 1,955.48 × 795.88
  4. Step 4: Simplify right side
    1,416.88x = 1,556,327.42
  5. Step 5: Solve for x
    x = 1,556,327.42/1,416.88
  6. Step 6: Final answer
    x = 1,098.42

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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.