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Finding the Fourth Proportional to 15,305.14, 22,970.01 and 7,911.76

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Solution

The fourth proportional to 15,305.14, 22,970.01 and 7,911.76 is: 11,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.14 : 22,970.01 = 7,911.76 : x
  2. Step 2: Convert to fraction form
    15,305.14/22,970.01 = 7,911.76/x
  3. Step 3: Cross multiply
    15,305.14x = 22,970.01 × 7,911.76
  4. Step 4: Simplify right side
    15,305.14x = 181,733,206.32
  5. Step 5: Solve for x
    x = 181,733,206.32/15,305.14
  6. Step 6: Final answer
    x = 11,874.00

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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.