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Finding the Fourth Proportional to 6,271.68, 8,656.02 and 4,281.51

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Solution

The fourth proportional to 6,271.68, 8,656.02 and 4,281.51 is: 5,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.68 : 8,656.02 = 4,281.51 : x
  2. Step 2: Convert to fraction form
    6,271.68/8,656.02 = 4,281.51/x
  3. Step 3: Cross multiply
    6,271.68x = 8,656.02 × 4,281.51
  4. Step 4: Simplify right side
    6,271.68x = 37,060,836.19
  5. Step 5: Solve for x
    x = 37,060,836.19/6,271.68
  6. Step 6: Final answer
    x = 5,909.24

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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.