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Finding the Fourth Proportional to 27,335.40, 40,981.20 and 25,148.40

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Solution

The fourth proportional to 27,335.40, 40,981.20 and 25,148.40 is: 37,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.40 : 40,981.20 = 25,148.40 : x
  2. Step 2: Convert to fraction form
    27,335.40/40,981.20 = 25,148.40/x
  3. Step 3: Cross multiply
    27,335.40x = 40,981.20 × 25,148.40
  4. Step 4: Simplify right side
    27,335.40x = 1,030,611,610.08
  5. Step 5: Solve for x
    x = 1,030,611,610.08/27,335.40
  6. Step 6: Final answer
    x = 37,702.45

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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.