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Finding the Fourth Proportional to 29,415.64, 44,123.46 and 8,653.72

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Solution

The fourth proportional to 29,415.64, 44,123.46 and 8,653.72 is: 12,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.64 : 44,123.46 = 8,653.72 : x
  2. Step 2: Convert to fraction form
    29,415.64/44,123.46 = 8,653.72/x
  3. Step 3: Cross multiply
    29,415.64x = 44,123.46 × 8,653.72
  4. Step 4: Simplify right side
    29,415.64x = 381,832,068.27
  5. Step 5: Solve for x
    x = 381,832,068.27/29,415.64
  6. Step 6: Final answer
    x = 12,980.58

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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.