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Finding the Fourth Proportional to 9,176.54, 12,663.54 and 4,984.76

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Solution

The fourth proportional to 9,176.54, 12,663.54 and 4,984.76 is: 6,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.54 : 12,663.54 = 4,984.76 : x
  2. Step 2: Convert to fraction form
    9,176.54/12,663.54 = 4,984.76/x
  3. Step 3: Cross multiply
    9,176.54x = 12,663.54 × 4,984.76
  4. Step 4: Simplify right side
    9,176.54x = 63,124,707.65
  5. Step 5: Solve for x
    x = 63,124,707.65/9,176.54
  6. Step 6: Final answer
    x = 6,878.92

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Double scale
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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.