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Finding the Fourth Proportional to 18,007.20, 24,848.64 and 10,048.32

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Solution

The fourth proportional to 18,007.20, 24,848.64 and 10,048.32 is: 13,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.20 : 24,848.64 = 10,048.32 : x
  2. Step 2: Convert to fraction form
    18,007.20/24,848.64 = 10,048.32/x
  3. Step 3: Cross multiply
    18,007.20x = 24,848.64 × 10,048.32
  4. Step 4: Simplify right side
    18,007.20x = 249,687,086.28
  5. Step 5: Solve for x
    x = 249,687,086.28/18,007.20
  6. Step 6: Final answer
    x = 13,865.96

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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.