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Finding the Fourth Proportional to 23,391, 32,280.12 and 14,444.64

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Solution

The fourth proportional to 23,391, 32,280.12 and 14,444.64 is: 19,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,391 : 32,280.12 = 14,444.64 : x
  2. Step 2: Convert to fraction form
    23,391/32,280.12 = 14,444.64/x
  3. Step 3: Cross multiply
    23,391x = 32,280.12 × 14,444.64
  4. Step 4: Simplify right side
    23,391x = 466,274,712.56
  5. Step 5: Solve for x
    x = 466,274,712.56/23,391
  6. Step 6: Final answer
    x = 19,933.94

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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.