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Finding the Fourth Proportional to 66,050.70, 99,076.05 and 52,928.70

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Solution

The fourth proportional to 66,050.70, 99,076.05 and 52,928.70 is: 79,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.70 : 99,076.05 = 52,928.70 : x
  2. Step 2: Convert to fraction form
    66,050.70/99,076.05 = 52,928.70/x
  3. Step 3: Cross multiply
    66,050.70x = 99,076.05 × 52,928.70
  4. Step 4: Simplify right side
    66,050.70x = 5,243,966,527.64
  5. Step 5: Solve for x
    x = 5,243,966,527.64/66,050.70
  6. Step 6: Final answer
    x = 79,393.05

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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.