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Finding the Fourth Proportional to 58,752, 88,128 and 14,976

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Solution

The fourth proportional to 58,752, 88,128 and 14,976 is: 22,464

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752 : 88,128 = 14,976 : x
  2. Step 2: Convert to fraction form
    58,752/88,128 = 14,976/x
  3. Step 3: Cross multiply
    58,752x = 88,128 × 14,976
  4. Step 4: Simplify right side
    58,752x = 1,319,804,928
  5. Step 5: Solve for x
    x = 1,319,804,928/58,752
  6. Step 6: Final answer
    x = 22,464

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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.