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Finding the Fourth Proportional to 15,595.71, 23,403.06 and 8,205.45

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Solution

The fourth proportional to 15,595.71, 23,403.06 and 8,205.45 is: 12,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.71 : 23,403.06 = 8,205.45 : x
  2. Step 2: Convert to fraction form
    15,595.71/23,403.06 = 8,205.45/x
  3. Step 3: Cross multiply
    15,595.71x = 23,403.06 × 8,205.45
  4. Step 4: Simplify right side
    15,595.71x = 192,032,638.68
  5. Step 5: Solve for x
    x = 192,032,638.68/15,595.71
  6. Step 6: Final answer
    x = 12,313.17

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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.