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Finding the Fourth Proportional to 60,528, 90,792 and 16,752

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Solution

The fourth proportional to 60,528, 90,792 and 16,752 is: 25,128

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,528 : 90,792 = 16,752 : x
  2. Step 2: Convert to fraction form
    60,528/90,792 = 16,752/x
  3. Step 3: Cross multiply
    60,528x = 90,792 × 16,752
  4. Step 4: Simplify right side
    60,528x = 1,520,947,584
  5. Step 5: Solve for x
    x = 1,520,947,584/60,528
  6. Step 6: Final answer
    x = 25,128

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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.