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Finding the Fourth Proportional to 52,407.40, 78,524.70 and 43,594.60

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Solution

The fourth proportional to 52,407.40, 78,524.70 and 43,594.60 is: 65,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.40 : 78,524.70 = 43,594.60 : x
  2. Step 2: Convert to fraction form
    52,407.40/78,524.70 = 43,594.60/x
  3. Step 3: Cross multiply
    52,407.40x = 78,524.70 × 43,594.60
  4. Step 4: Simplify right side
    52,407.40x = 3,423,252,886.62
  5. Step 5: Solve for x
    x = 3,423,252,886.62/52,407.40
  6. Step 6: Final answer
    x = 65,320.03

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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.