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Finding the Fourth Proportional to 25,304.84, 37,931.85 and 8,653.49

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Solution

The fourth proportional to 25,304.84, 37,931.85 and 8,653.49 is: 12,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.84 : 37,931.85 = 8,653.49 : x
  2. Step 2: Convert to fraction form
    25,304.84/37,931.85 = 8,653.49/x
  3. Step 3: Cross multiply
    25,304.84x = 37,931.85 × 8,653.49
  4. Step 4: Simplify right side
    25,304.84x = 328,242,695.00
  5. Step 5: Solve for x
    x = 328,242,695.00/25,304.84
  6. Step 6: Final answer
    x = 12,971.54

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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.