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Finding the Fourth Proportional to 2,701.60, 4,051.61 and 946.28

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Solution

The fourth proportional to 2,701.60, 4,051.61 and 946.28 is: 1,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.60 : 4,051.61 = 946.28 : x
  2. Step 2: Convert to fraction form
    2,701.60/4,051.61 = 946.28/x
  3. Step 3: Cross multiply
    2,701.60x = 4,051.61 × 946.28
  4. Step 4: Simplify right side
    2,701.60x = 3,833,966.46
  5. Step 5: Solve for x
    x = 3,833,966.46/2,701.60
  6. Step 6: Final answer
    x = 1,419.15

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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.