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Finding the Fourth Proportional to 52,604.32, 78,902.16 and 15,668.32

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Solution

The fourth proportional to 52,604.32, 78,902.16 and 15,668.32 is: 23,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,604.32 : 78,902.16 = 15,668.32 : x
  2. Step 2: Convert to fraction form
    52,604.32/78,902.16 = 15,668.32/x
  3. Step 3: Cross multiply
    52,604.32x = 78,902.16 × 15,668.32
  4. Step 4: Simplify right side
    52,604.32x = 1,236,264,291.57
  5. Step 5: Solve for x
    x = 1,236,264,291.57/52,604.32
  6. Step 6: Final answer
    x = 23,501.19

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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.