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Finding the Fourth Proportional to 56,472.40, 84,611.40 and 52,973.20

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Solution

The fourth proportional to 56,472.40, 84,611.40 and 52,973.20 is: 79,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.40 : 84,611.40 = 52,973.20 : x
  2. Step 2: Convert to fraction form
    56,472.40/84,611.40 = 52,973.20/x
  3. Step 3: Cross multiply
    56,472.40x = 84,611.40 × 52,973.20
  4. Step 4: Simplify right side
    56,472.40x = 4,482,136,614.48
  5. Step 5: Solve for x
    x = 4,482,136,614.48/56,472.40
  6. Step 6: Final answer
    x = 79,368.62

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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.