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Finding the Fourth Proportional to 4,565.76, 6,848.64 and 1,488

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Solution

The fourth proportional to 4,565.76, 6,848.64 and 1,488 is: 2,232

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,565.76 : 6,848.64 = 1,488 : x
  2. Step 2: Convert to fraction form
    4,565.76/6,848.64 = 1,488/x
  3. Step 3: Cross multiply
    4,565.76x = 6,848.64 × 1,488
  4. Step 4: Simplify right side
    4,565.76x = 10,190,776.32
  5. Step 5: Solve for x
    x = 10,190,776.32/4,565.76
  6. Step 6: Final answer
    x = 2,232

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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.