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Finding the Fourth Proportional to 53,263.16, 79,907.02 and 15,822.40

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Solution

The fourth proportional to 53,263.16, 79,907.02 and 15,822.40 is: 23,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,263.16 : 79,907.02 = 15,822.40 : x
  2. Step 2: Convert to fraction form
    53,263.16/79,907.02 = 15,822.40/x
  3. Step 3: Cross multiply
    53,263.16x = 79,907.02 × 15,822.40
  4. Step 4: Simplify right side
    53,263.16x = 1,264,320,833.25
  5. Step 5: Solve for x
    x = 1,264,320,833.25/53,263.16
  6. Step 6: Final answer
    x = 23,737.25

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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.