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Finding the Fourth Proportional to 1,059.48, 1,582.20 and 967.68

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Solution

The fourth proportional to 1,059.48, 1,582.20 and 967.68 is: 1,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.48 : 1,582.20 = 967.68 : x
  2. Step 2: Convert to fraction form
    1,059.48/1,582.20 = 967.68/x
  3. Step 3: Cross multiply
    1,059.48x = 1,582.20 × 967.68
  4. Step 4: Simplify right side
    1,059.48x = 1,531,063.30
  5. Step 5: Solve for x
    x = 1,531,063.30/1,059.48
  6. Step 6: Final answer
    x = 1,445.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.