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Finding the Fourth Proportional to 52,522.40, 78,860.40 and 37,008.80

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Solution

The fourth proportional to 52,522.40, 78,860.40 and 37,008.80 is: 55,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,522.40 : 78,860.40 = 37,008.80 : x
  2. Step 2: Convert to fraction form
    52,522.40/78,860.40 = 37,008.80/x
  3. Step 3: Cross multiply
    52,522.40x = 78,860.40 × 37,008.80
  4. Step 4: Simplify right side
    52,522.40x = 2,918,528,771.52
  5. Step 5: Solve for x
    x = 2,918,528,771.52/52,522.40
  6. Step 6: Final answer
    x = 55,567.32

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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.