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Finding the Fourth Proportional to 15,888.52, 23,833.02 and 7,569.40

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Solution

The fourth proportional to 15,888.52, 23,833.02 and 7,569.40 is: 11,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.52 : 23,833.02 = 7,569.40 : x
  2. Step 2: Convert to fraction form
    15,888.52/23,833.02 = 7,569.40/x
  3. Step 3: Cross multiply
    15,888.52x = 23,833.02 × 7,569.40
  4. Step 4: Simplify right side
    15,888.52x = 180,401,661.59
  5. Step 5: Solve for x
    x = 180,401,661.59/15,888.52
  6. Step 6: Final answer
    x = 11,354.21

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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.