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Finding the Fourth Proportional to 15,903.52, 23,851.63 and 7,140.94

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Solution

The fourth proportional to 15,903.52, 23,851.63 and 7,140.94 is: 10,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.52 : 23,851.63 = 7,140.94 : x
  2. Step 2: Convert to fraction form
    15,903.52/23,851.63 = 7,140.94/x
  3. Step 3: Cross multiply
    15,903.52x = 23,851.63 × 7,140.94
  4. Step 4: Simplify right side
    15,903.52x = 170,323,008.03
  5. Step 5: Solve for x
    x = 170,323,008.03/15,903.52
  6. Step 6: Final answer
    x = 10,709.77

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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.