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Finding the Fourth Proportional to 46,883.16, 64,703.16 and 28,019.88

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Solution

The fourth proportional to 46,883.16, 64,703.16 and 28,019.88 is: 38,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,883.16 : 64,703.16 = 28,019.88 : x
  2. Step 2: Convert to fraction form
    46,883.16/64,703.16 = 28,019.88/x
  3. Step 3: Cross multiply
    46,883.16x = 64,703.16 × 28,019.88
  4. Step 4: Simplify right side
    46,883.16x = 1,812,974,778.82
  5. Step 5: Solve for x
    x = 1,812,974,778.82/46,883.16
  6. Step 6: Final answer
    x = 38,670.06

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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.