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Finding the Fourth Proportional to 44,210.40, 66,218.40 and 38,378.40

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Solution

The fourth proportional to 44,210.40, 66,218.40 and 38,378.40 is: 57,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,210.40 : 66,218.40 = 38,378.40 : x
  2. Step 2: Convert to fraction form
    44,210.40/66,218.40 = 38,378.40/x
  3. Step 3: Cross multiply
    44,210.40x = 66,218.40 × 38,378.40
  4. Step 4: Simplify right side
    44,210.40x = 2,541,356,242.56
  5. Step 5: Solve for x
    x = 2,541,356,242.56/44,210.40
  6. Step 6: Final answer
    x = 57,483.22

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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.