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Finding the Fourth Proportional to 18,303.98, 25,259.57 and 11,582.60

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Solution

The fourth proportional to 18,303.98, 25,259.57 and 11,582.60 is: 15,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.98 : 25,259.57 = 11,582.60 : x
  2. Step 2: Convert to fraction form
    18,303.98/25,259.57 = 11,582.60/x
  3. Step 3: Cross multiply
    18,303.98x = 25,259.57 × 11,582.60
  4. Step 4: Simplify right side
    18,303.98x = 292,571,587.59
  5. Step 5: Solve for x
    x = 292,571,587.59/18,303.98
  6. Step 6: Final answer
    x = 15,984.04

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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.