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Finding the Fourth Proportional to 94,533, 130,451.34 and 51,512.64

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Solution

The fourth proportional to 94,533, 130,451.34 and 51,512.64 is: 71,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,533 : 130,451.34 = 51,512.64 : x
  2. Step 2: Convert to fraction form
    94,533/130,451.34 = 51,512.64/x
  3. Step 3: Cross multiply
    94,533x = 130,451.34 × 51,512.64
  4. Step 4: Simplify right side
    94,533x = 6,719,892,914.94
  5. Step 5: Solve for x
    x = 6,719,892,914.94/94,533
  6. Step 6: Final answer
    x = 71,085.15

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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.