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Finding the Fourth Proportional to 66,373.67, 99,326.55 and 41,425.40

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Solution

The fourth proportional to 66,373.67, 99,326.55 and 41,425.40 is: 61,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,373.67 : 99,326.55 = 41,425.40 : x
  2. Step 2: Convert to fraction form
    66,373.67/99,326.55 = 41,425.40/x
  3. Step 3: Cross multiply
    66,373.67x = 99,326.55 × 41,425.40
  4. Step 4: Simplify right side
    66,373.67x = 4,114,642,064.37
  5. Step 5: Solve for x
    x = 4,114,642,064.37/66,373.67
  6. Step 6: Final answer
    x = 61,992.08

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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.