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Finding the Fourth Proportional to 52,409.40, 78,601.92 and 14,968.48

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Solution

The fourth proportional to 52,409.40, 78,601.92 and 14,968.48 is: 22,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409.40 : 78,601.92 = 14,968.48 : x
  2. Step 2: Convert to fraction form
    52,409.40/78,601.92 = 14,968.48/x
  3. Step 3: Cross multiply
    52,409.40x = 78,601.92 × 14,968.48
  4. Step 4: Simplify right side
    52,409.40x = 1,176,551,267.48
  5. Step 5: Solve for x
    x = 1,176,551,267.48/52,409.40
  6. Step 6: Final answer
    x = 22,449.24

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1.5x scale

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.