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Finding the Fourth Proportional to 29,877.32, 44,816.01 and 7,690.74

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Solution

The fourth proportional to 29,877.32, 44,816.01 and 7,690.74 is: 11,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,877.32 : 44,816.01 = 7,690.74 : x
  2. Step 2: Convert to fraction form
    29,877.32/44,816.01 = 7,690.74/x
  3. Step 3: Cross multiply
    29,877.32x = 44,816.01 × 7,690.74
  4. Step 4: Simplify right side
    29,877.32x = 344,668,280.75
  5. Step 5: Solve for x
    x = 344,668,280.75/29,877.32
  6. Step 6: Final answer
    x = 11,536.12

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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.