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Finding the Fourth Proportional to 44,159.40, 66,487.70 and 38,928.01

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Solution

The fourth proportional to 44,159.40, 66,487.70 and 38,928.01 is: 58,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,159.40 : 66,487.70 = 38,928.01 : x
  2. Step 2: Convert to fraction form
    44,159.40/66,487.70 = 38,928.01/x
  3. Step 3: Cross multiply
    44,159.40x = 66,487.70 × 38,928.01
  4. Step 4: Simplify right side
    44,159.40x = 2,588,233,850.48
  5. Step 5: Solve for x
    x = 2,588,233,850.48/44,159.40
  6. Step 6: Final answer
    x = 58,611.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.