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Finding the Fourth Proportional to 1,156.62, 1,596.14 and 632.68

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Solution

The fourth proportional to 1,156.62, 1,596.14 and 632.68 is: 873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.62 : 1,596.14 = 632.68 : x
  2. Step 2: Convert to fraction form
    1,156.62/1,596.14 = 632.68/x
  3. Step 3: Cross multiply
    1,156.62x = 1,596.14 × 632.68
  4. Step 4: Simplify right side
    1,156.62x = 1,009,845.86
  5. Step 5: Solve for x
    x = 1,009,845.86/1,156.62
  6. Step 6: Final answer
    x = 873.10

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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.