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Finding the Fourth Proportional to 58,704.64, 88,056.12 and 40,676.28

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Solution

The fourth proportional to 58,704.64, 88,056.12 and 40,676.28 is: 61,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,704.64 : 88,056.12 = 40,676.28 : x
  2. Step 2: Convert to fraction form
    58,704.64/88,056.12 = 40,676.28/x
  3. Step 3: Cross multiply
    58,704.64x = 88,056.12 × 40,676.28
  4. Step 4: Simplify right side
    58,704.64x = 3,581,795,392.83
  5. Step 5: Solve for x
    x = 3,581,795,392.83/58,704.64
  6. Step 6: Final answer
    x = 61,013.84

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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.