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Finding the Fourth Proportional to 5,953.95, 8,928.64 and 2,831.55

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Solution

The fourth proportional to 5,953.95, 8,928.64 and 2,831.55 is: 4,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,953.95 : 8,928.64 = 2,831.55 : x
  2. Step 2: Convert to fraction form
    5,953.95/8,928.64 = 2,831.55/x
  3. Step 3: Cross multiply
    5,953.95x = 8,928.64 × 2,831.55
  4. Step 4: Simplify right side
    5,953.95x = 25,281,883.51
  5. Step 5: Solve for x
    x = 25,281,883.51/5,953.95
  6. Step 6: Final answer
    x = 4,246.24

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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.