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Finding the Fourth Proportional to 23,459.60, 32,357.40 and 15,068

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Solution

The fourth proportional to 23,459.60, 32,357.40 and 15,068 is: 20,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,459.60 : 32,357.40 = 15,068 : x
  2. Step 2: Convert to fraction form
    23,459.60/32,357.40 = 15,068/x
  3. Step 3: Cross multiply
    23,459.60x = 32,357.40 × 15,068
  4. Step 4: Simplify right side
    23,459.60x = 487,561,303.20
  5. Step 5: Solve for x
    x = 487,561,303.20/23,459.60
  6. Step 6: Final answer
    x = 20,783.02

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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.