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Finding the Fourth Proportional to 8,934.64, 12,329.58 and 4,955.74

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Solution

The fourth proportional to 8,934.64, 12,329.58 and 4,955.74 is: 6,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.64 : 12,329.58 = 4,955.74 : x
  2. Step 2: Convert to fraction form
    8,934.64/12,329.58 = 4,955.74/x
  3. Step 3: Cross multiply
    8,934.64x = 12,329.58 × 4,955.74
  4. Step 4: Simplify right side
    8,934.64x = 61,102,192.79
  5. Step 5: Solve for x
    x = 61,102,192.79/8,934.64
  6. Step 6: Final answer
    x = 6,838.80

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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.