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Finding the Fourth Proportional to 24,048.60, 36,038.88 and 18,848.40

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Solution

The fourth proportional to 24,048.60, 36,038.88 and 18,848.40 is: 28,245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,048.60 : 36,038.88 = 18,848.40 : x
  2. Step 2: Convert to fraction form
    24,048.60/36,038.88 = 18,848.40/x
  3. Step 3: Cross multiply
    24,048.60x = 36,038.88 × 18,848.40
  4. Step 4: Simplify right side
    24,048.60x = 679,275,225.79
  5. Step 5: Solve for x
    x = 679,275,225.79/24,048.60
  6. Step 6: Final answer
    x = 28,245.94

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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.