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Finding the Fourth Proportional to 44,616.40, 66,809.40 and 35,400.40

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Solution

The fourth proportional to 44,616.40, 66,809.40 and 35,400.40 is: 53,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,616.40 : 66,809.40 = 35,400.40 : x
  2. Step 2: Convert to fraction form
    44,616.40/66,809.40 = 35,400.40/x
  3. Step 3: Cross multiply
    44,616.40x = 66,809.40 × 35,400.40
  4. Step 4: Simplify right side
    44,616.40x = 2,365,079,483.76
  5. Step 5: Solve for x
    x = 2,365,079,483.76/44,616.40
  6. Step 6: Final answer
    x = 53,009.20

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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.