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Finding the Fourth Proportional to 9,291.58, 13,929.93 and 4,847.01

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Solution

The fourth proportional to 9,291.58, 13,929.93 and 4,847.01 is: 7,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.58 : 13,929.93 = 4,847.01 : x
  2. Step 2: Convert to fraction form
    9,291.58/13,929.93 = 4,847.01/x
  3. Step 3: Cross multiply
    9,291.58x = 13,929.93 × 4,847.01
  4. Step 4: Simplify right side
    9,291.58x = 67,518,544.83
  5. Step 5: Solve for x
    x = 67,518,544.83/9,291.58
  6. Step 6: Final answer
    x = 7,266.64

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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.