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Finding the Fourth Proportional to 3,281.76, 4,923.45 and 973.26

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Solution

The fourth proportional to 3,281.76, 4,923.45 and 973.26 is: 1,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.76 : 4,923.45 = 973.26 : x
  2. Step 2: Convert to fraction form
    3,281.76/4,923.45 = 973.26/x
  3. Step 3: Cross multiply
    3,281.76x = 4,923.45 × 973.26
  4. Step 4: Simplify right side
    3,281.76x = 4,791,796.95
  5. Step 5: Solve for x
    x = 4,791,796.95/3,281.76
  6. Step 6: Final answer
    x = 1,460.13

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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.