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Finding the Fourth Proportional to 9,752.92, 14,595.36 and 7,977.40

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Solution

The fourth proportional to 9,752.92, 14,595.36 and 7,977.40 is: 11,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,752.92 : 14,595.36 = 7,977.40 : x
  2. Step 2: Convert to fraction form
    9,752.92/14,595.36 = 7,977.40/x
  3. Step 3: Cross multiply
    9,752.92x = 14,595.36 × 7,977.40
  4. Step 4: Simplify right side
    9,752.92x = 116,433,024.86
  5. Step 5: Solve for x
    x = 116,433,024.86/9,752.92
  6. Step 6: Final answer
    x = 11,938.27

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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.