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Finding the Fourth Proportional to 66,085.58, 99,226.79 and 26,719.58

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Solution

The fourth proportional to 66,085.58, 99,226.79 and 26,719.58 is: 40,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.58 : 99,226.79 = 26,719.58 : x
  2. Step 2: Convert to fraction form
    66,085.58/99,226.79 = 26,719.58/x
  3. Step 3: Cross multiply
    66,085.58x = 99,226.79 × 26,719.58
  4. Step 4: Simplify right side
    66,085.58x = 2,651,298,368.22
  5. Step 5: Solve for x
    x = 2,651,298,368.22/66,085.58
  6. Step 6: Final answer
    x = 40,119.16

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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.