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Finding the Fourth Proportional to 4,752, 6,557.78 and 2,656.64

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Solution

The fourth proportional to 4,752, 6,557.78 and 2,656.64 is: 3,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752 : 6,557.78 = 2,656.64 : x
  2. Step 2: Convert to fraction form
    4,752/6,557.78 = 2,656.64/x
  3. Step 3: Cross multiply
    4,752x = 6,557.78 × 2,656.64
  4. Step 4: Simplify right side
    4,752x = 17,421,660.66
  5. Step 5: Solve for x
    x = 17,421,660.66/4,752
  6. Step 6: Final answer
    x = 3,666.17

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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.