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Finding the Fourth Proportional to 64,852.75, 97,279.13 and 15,604.75

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Solution

The fourth proportional to 64,852.75, 97,279.13 and 15,604.75 is: 23,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,852.75 : 97,279.13 = 15,604.75 : x
  2. Step 2: Convert to fraction form
    64,852.75/97,279.13 = 15,604.75/x
  3. Step 3: Cross multiply
    64,852.75x = 97,279.13 × 15,604.75
  4. Step 4: Simplify right side
    64,852.75x = 1,518,016,503.87
  5. Step 5: Solve for x
    x = 1,518,016,503.87/64,852.75
  6. Step 6: Final answer
    x = 23,407.13

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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.