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Finding the Fourth Proportional to 29,415.59, 44,113.90 and 9,689.45

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Solution

The fourth proportional to 29,415.59, 44,113.90 and 9,689.45 is: 14,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.59 : 44,113.90 = 9,689.45 : x
  2. Step 2: Convert to fraction form
    29,415.59/44,113.90 = 9,689.45/x
  3. Step 3: Cross multiply
    29,415.59x = 44,113.90 × 9,689.45
  4. Step 4: Simplify right side
    29,415.59x = 427,439,318.07
  5. Step 5: Solve for x
    x = 427,439,318.07/29,415.59
  6. Step 6: Final answer
    x = 14,531.05

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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.