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Finding the Fourth Proportional to 66,539.84, 91,925.12 and 43,624.10

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Solution

The fourth proportional to 66,539.84, 91,925.12 and 43,624.10 is: 60,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,539.84 : 91,925.12 = 43,624.10 : x
  2. Step 2: Convert to fraction form
    66,539.84/91,925.12 = 43,624.10/x
  3. Step 3: Cross multiply
    66,539.84x = 91,925.12 × 43,624.10
  4. Step 4: Simplify right side
    66,539.84x = 4,010,150,966.27
  5. Step 5: Solve for x
    x = 4,010,150,966.27/66,539.84
  6. Step 6: Final answer
    x = 60,266.92

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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.