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Finding the Fourth Proportional to 8,566.58, 11,820.93 and 4,840.58

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Solution

The fourth proportional to 8,566.58, 11,820.93 and 4,840.58 is: 6,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.58 : 11,820.93 = 4,840.58 : x
  2. Step 2: Convert to fraction form
    8,566.58/11,820.93 = 4,840.58/x
  3. Step 3: Cross multiply
    8,566.58x = 11,820.93 × 4,840.58
  4. Step 4: Simplify right side
    8,566.58x = 57,220,157.34
  5. Step 5: Solve for x
    x = 57,220,157.34/8,566.58
  6. Step 6: Final answer
    x = 6,679.46

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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.