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Finding the Fourth Proportional to 48,205.98, 72,316.62 and 14,918.22

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Solution

The fourth proportional to 48,205.98, 72,316.62 and 14,918.22 is: 22,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,205.98 : 72,316.62 = 14,918.22 : x
  2. Step 2: Convert to fraction form
    48,205.98/72,316.62 = 14,918.22/x
  3. Step 3: Cross multiply
    48,205.98x = 72,316.62 × 14,918.22
  4. Step 4: Simplify right side
    48,205.98x = 1,078,835,246.82
  5. Step 5: Solve for x
    x = 1,078,835,246.82/48,205.98
  6. Step 6: Final answer
    x = 22,379.70

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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.