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Finding the Fourth Proportional to 38,364.63, 53,011.83 and 29,888.64

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Solution

The fourth proportional to 38,364.63, 53,011.83 and 29,888.64 is: 41,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.63 : 53,011.83 = 29,888.64 : x
  2. Step 2: Convert to fraction form
    38,364.63/53,011.83 = 29,888.64/x
  3. Step 3: Cross multiply
    38,364.63x = 53,011.83 × 29,888.64
  4. Step 4: Simplify right side
    38,364.63x = 1,584,451,502.61
  5. Step 5: Solve for x
    x = 1,584,451,502.61/38,364.63
  6. Step 6: Final answer
    x = 41,299.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.