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Finding the Fourth Proportional to 66,466.80, 99,700.20 and 44,348.40

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Solution

The fourth proportional to 66,466.80, 99,700.20 and 44,348.40 is: 66,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.80 : 99,700.20 = 44,348.40 : x
  2. Step 2: Convert to fraction form
    66,466.80/99,700.20 = 44,348.40/x
  3. Step 3: Cross multiply
    66,466.80x = 99,700.20 × 44,348.40
  4. Step 4: Simplify right side
    66,466.80x = 4,421,544,349.68
  5. Step 5: Solve for x
    x = 4,421,544,349.68/66,466.80
  6. Step 6: Final answer
    x = 66,522.60

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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.