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Finding the Fourth Proportional to 52,644.62, 72,615.63 and 31,407.50

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Solution

The fourth proportional to 52,644.62, 72,615.63 and 31,407.50 is: 43,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,644.62 : 72,615.63 = 31,407.50 : x
  2. Step 2: Convert to fraction form
    52,644.62/72,615.63 = 31,407.50/x
  3. Step 3: Cross multiply
    52,644.62x = 72,615.63 × 31,407.50
  4. Step 4: Simplify right side
    52,644.62x = 2,280,675,399.23
  5. Step 5: Solve for x
    x = 2,280,675,399.23/52,644.62
  6. Step 6: Final answer
    x = 43,322.10

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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.