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Finding the Fourth Proportional to 4,594.80, 6,886.80 and 4,130.40

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Solution

The fourth proportional to 4,594.80, 6,886.80 and 4,130.40 is: 6,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,594.80 : 6,886.80 = 4,130.40 : x
  2. Step 2: Convert to fraction form
    4,594.80/6,886.80 = 4,130.40/x
  3. Step 3: Cross multiply
    4,594.80x = 6,886.80 × 4,130.40
  4. Step 4: Simplify right side
    4,594.80x = 28,445,238.72
  5. Step 5: Solve for x
    x = 28,445,238.72/4,594.80
  6. Step 6: Final answer
    x = 6,190.75

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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.