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Finding the Fourth Proportional to 8,932.60, 12,326.70 and 4,953.64

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Solution

The fourth proportional to 8,932.60, 12,326.70 and 4,953.64 is: 6,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.60 : 12,326.70 = 4,953.64 : x
  2. Step 2: Convert to fraction form
    8,932.60/12,326.70 = 4,953.64/x
  3. Step 3: Cross multiply
    8,932.60x = 12,326.70 × 4,953.64
  4. Step 4: Simplify right side
    8,932.60x = 61,062,034.19
  5. Step 5: Solve for x
    x = 61,062,034.19/8,932.60
  6. Step 6: Final answer
    x = 6,835.86

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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.