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Finding the Fourth Proportional to 51,984.40, 77,925.40 and 25,693.20

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Solution

The fourth proportional to 51,984.40, 77,925.40 and 25,693.20 is: 38,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.40 : 77,925.40 = 25,693.20 : x
  2. Step 2: Convert to fraction form
    51,984.40/77,925.40 = 25,693.20/x
  3. Step 3: Cross multiply
    51,984.40x = 77,925.40 × 25,693.20
  4. Step 4: Simplify right side
    51,984.40x = 2,002,152,887.28
  5. Step 5: Solve for x
    x = 2,002,152,887.28/51,984.40
  6. Step 6: Final answer
    x = 38,514.49

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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.