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Finding the Fourth Proportional to 7,886.84, 11,829.02 and 4,726.04

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Solution

The fourth proportional to 7,886.84, 11,829.02 and 4,726.04 is: 7,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.84 : 11,829.02 = 4,726.04 : x
  2. Step 2: Convert to fraction form
    7,886.84/11,829.02 = 4,726.04/x
  3. Step 3: Cross multiply
    7,886.84x = 11,829.02 × 4,726.04
  4. Step 4: Simplify right side
    7,886.84x = 55,904,421.68
  5. Step 5: Solve for x
    x = 55,904,421.68/7,886.84
  6. Step 6: Final answer
    x = 7,088.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.