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Finding the Fourth Proportional to 8,557.32, 12,835.98 and 4,669.32

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Solution

The fourth proportional to 8,557.32, 12,835.98 and 4,669.32 is: 7,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.32 : 12,835.98 = 4,669.32 : x
  2. Step 2: Convert to fraction form
    8,557.32/12,835.98 = 4,669.32/x
  3. Step 3: Cross multiply
    8,557.32x = 12,835.98 × 4,669.32
  4. Step 4: Simplify right side
    8,557.32x = 59,935,298.13
  5. Step 5: Solve for x
    x = 59,935,298.13/8,557.32
  6. Step 6: Final answer
    x = 7,003.98

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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.