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Finding the Fourth Proportional to 7,656.32, 10,566.70 and 4,671.52

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Solution

The fourth proportional to 7,656.32, 10,566.70 and 4,671.52 is: 6,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.32 : 10,566.70 = 4,671.52 : x
  2. Step 2: Convert to fraction form
    7,656.32/10,566.70 = 4,671.52/x
  3. Step 3: Cross multiply
    7,656.32x = 10,566.70 × 4,671.52
  4. Step 4: Simplify right side
    7,656.32x = 49,362,598.00
  5. Step 5: Solve for x
    x = 49,362,598.00/7,656.32
  6. Step 6: Final answer
    x = 6,447.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.