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Finding the Fourth Proportional to 66,527.40, 99,791.10 and 59,966.40

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Solution

The fourth proportional to 66,527.40, 99,791.10 and 59,966.40 is: 89,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,527.40 : 99,791.10 = 59,966.40 : x
  2. Step 2: Convert to fraction form
    66,527.40/99,791.10 = 59,966.40/x
  3. Step 3: Cross multiply
    66,527.40x = 99,791.10 × 59,966.40
  4. Step 4: Simplify right side
    66,527.40x = 5,984,113,019.04
  5. Step 5: Solve for x
    x = 5,984,113,019.04/66,527.40
  6. Step 6: Final answer
    x = 89,949.60

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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.