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Finding the Fourth Proportional to 66,506.76, 99,795.78 and 44,332.20

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Solution

The fourth proportional to 66,506.76, 99,795.78 and 44,332.20 is: 66,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,506.76 : 99,795.78 = 44,332.20 : x
  2. Step 2: Convert to fraction form
    66,506.76/99,795.78 = 44,332.20/x
  3. Step 3: Cross multiply
    66,506.76x = 99,795.78 × 44,332.20
  4. Step 4: Simplify right side
    66,506.76x = 4,424,166,478.12
  5. Step 5: Solve for x
    x = 4,424,166,478.12/66,506.76
  6. Step 6: Final answer
    x = 66,522.06

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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.