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Finding the Fourth Proportional to 60,837.81, 83,955.30 and 33,980.70

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Solution

The fourth proportional to 60,837.81, 83,955.30 and 33,980.70 is: 46,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,837.81 : 83,955.30 = 33,980.70 : x
  2. Step 2: Convert to fraction form
    60,837.81/83,955.30 = 33,980.70/x
  3. Step 3: Cross multiply
    60,837.81x = 83,955.30 × 33,980.70
  4. Step 4: Simplify right side
    60,837.81x = 2,852,859,862.71
  5. Step 5: Solve for x
    x = 2,852,859,862.71/60,837.81
  6. Step 6: Final answer
    x = 46,892.88

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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.