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Finding the Fourth Proportional to 66,337.80, 99,506.70 and 48,841.80

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Solution

The fourth proportional to 66,337.80, 99,506.70 and 48,841.80 is: 73,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.80 : 99,506.70 = 48,841.80 : x
  2. Step 2: Convert to fraction form
    66,337.80/99,506.70 = 48,841.80/x
  3. Step 3: Cross multiply
    66,337.80x = 99,506.70 × 48,841.80
  4. Step 4: Simplify right side
    66,337.80x = 4,860,086,340.06
  5. Step 5: Solve for x
    x = 4,860,086,340.06/66,337.80
  6. Step 6: Final answer
    x = 73,262.70

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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.