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Finding the Fourth Proportional to 8,598.90, 11,866.58 and 4,822.86

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Solution

The fourth proportional to 8,598.90, 11,866.58 and 4,822.86 is: 6,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.90 : 11,866.58 = 4,822.86 : x
  2. Step 2: Convert to fraction form
    8,598.90/11,866.58 = 4,822.86/x
  3. Step 3: Cross multiply
    8,598.90x = 11,866.58 × 4,822.86
  4. Step 4: Simplify right side
    8,598.90x = 57,230,854.02
  5. Step 5: Solve for x
    x = 57,230,854.02/8,598.90
  6. Step 6: Final answer
    x = 6,655.60

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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.