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Finding the Fourth Proportional to 66,330.74, 99,495.88 and 26,887.74

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Solution

The fourth proportional to 66,330.74, 99,495.88 and 26,887.74 is: 40,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.74 : 99,495.88 = 26,887.74 : x
  2. Step 2: Convert to fraction form
    66,330.74/99,495.88 = 26,887.74/x
  3. Step 3: Cross multiply
    66,330.74x = 99,495.88 × 26,887.74
  4. Step 4: Simplify right side
    66,330.74x = 2,675,219,352.51
  5. Step 5: Solve for x
    x = 2,675,219,352.51/66,330.74
  6. Step 6: Final answer
    x = 40,331.52

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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.