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Finding the Fourth Proportional to 7,889.94, 10,886.61 and 4,746.33

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Solution

The fourth proportional to 7,889.94, 10,886.61 and 4,746.33 is: 6,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.94 : 10,886.61 = 4,746.33 : x
  2. Step 2: Convert to fraction form
    7,889.94/10,886.61 = 4,746.33/x
  3. Step 3: Cross multiply
    7,889.94x = 10,886.61 × 4,746.33
  4. Step 4: Simplify right side
    7,889.94x = 51,671,419.91
  5. Step 5: Solve for x
    x = 51,671,419.91/7,889.94
  6. Step 6: Final answer
    x = 6,549.03

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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.