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Finding the Fourth Proportional to 25,851.76, 35,666.06 and 14,667.28

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Solution

The fourth proportional to 25,851.76, 35,666.06 and 14,667.28 is: 20,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.76 : 35,666.06 = 14,667.28 : x
  2. Step 2: Convert to fraction form
    25,851.76/35,666.06 = 14,667.28/x
  3. Step 3: Cross multiply
    25,851.76x = 35,666.06 × 14,667.28
  4. Step 4: Simplify right side
    25,851.76x = 523,124,088.52
  5. Step 5: Solve for x
    x = 523,124,088.52/25,851.76
  6. Step 6: Final answer
    x = 20,235.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.