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Finding the Fourth Proportional to 66,113.00, 91,083.68 and 45,675.49

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Solution

The fourth proportional to 66,113.00, 91,083.68 and 45,675.49 is: 62,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.00 : 91,083.68 = 45,675.49 : x
  2. Step 2: Convert to fraction form
    66,113.00/91,083.68 = 45,675.49/x
  3. Step 3: Cross multiply
    66,113.00x = 91,083.68 × 45,675.49
  4. Step 4: Simplify right side
    66,113.00x = 4,160,291,857.91
  5. Step 5: Solve for x
    x = 4,160,291,857.91/66,113.00
  6. Step 6: Final answer
    x = 62,926.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.