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Finding the Fourth Proportional to 8,925.49, 12,316.98 and 4,946.65

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Solution

The fourth proportional to 8,925.49, 12,316.98 and 4,946.65 is: 6,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.49 : 12,316.98 = 4,946.65 : x
  2. Step 2: Convert to fraction form
    8,925.49/12,316.98 = 4,946.65/x
  3. Step 3: Cross multiply
    8,925.49x = 12,316.98 × 4,946.65
  4. Step 4: Simplify right side
    8,925.49x = 60,927,789.12
  5. Step 5: Solve for x
    x = 60,927,789.12/8,925.49
  6. Step 6: Final answer
    x = 6,826.27

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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.