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Finding the Fourth Proportional to 25,688.72, 35,436.84 and 24,965.84

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Solution

The fourth proportional to 25,688.72, 35,436.84 and 24,965.84 is: 34,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.72 : 35,436.84 = 24,965.84 : x
  2. Step 2: Convert to fraction form
    25,688.72/35,436.84 = 24,965.84/x
  3. Step 3: Cross multiply
    25,688.72x = 35,436.84 × 24,965.84
  4. Step 4: Simplify right side
    25,688.72x = 884,710,477.55
  5. Step 5: Solve for x
    x = 884,710,477.55/25,688.72
  6. Step 6: Final answer
    x = 34,439.65

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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.