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Finding the Fourth Proportional to 9,078.65, 12,526.95 and 5,044.84

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Solution

The fourth proportional to 9,078.65, 12,526.95 and 5,044.84 is: 6,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.65 : 12,526.95 = 5,044.84 : x
  2. Step 2: Convert to fraction form
    9,078.65/12,526.95 = 5,044.84/x
  3. Step 3: Cross multiply
    9,078.65x = 12,526.95 × 5,044.84
  4. Step 4: Simplify right side
    9,078.65x = 63,196,395.80
  5. Step 5: Solve for x
    x = 63,196,395.80/9,078.65
  6. Step 6: Final answer
    x = 6,960.99

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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.