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Finding the Fourth Proportional to 60,754.32, 83,858.76 and 38,411.28

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Solution

The fourth proportional to 60,754.32, 83,858.76 and 38,411.28 is: 53,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,754.32 : 83,858.76 = 38,411.28 : x
  2. Step 2: Convert to fraction form
    60,754.32/83,858.76 = 38,411.28/x
  3. Step 3: Cross multiply
    60,754.32x = 83,858.76 × 38,411.28
  4. Step 4: Simplify right side
    60,754.32x = 3,221,122,310.81
  5. Step 5: Solve for x
    x = 3,221,122,310.81/60,754.32
  6. Step 6: Final answer
    x = 53,018.82

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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.