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Finding the Fourth Proportional to 35,522.40, 53,294.40 and 19,929.60

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Solution

The fourth proportional to 35,522.40, 53,294.40 and 19,929.60 is: 29,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,522.40 : 53,294.40 = 19,929.60 : x
  2. Step 2: Convert to fraction form
    35,522.40/53,294.40 = 19,929.60/x
  3. Step 3: Cross multiply
    35,522.40x = 53,294.40 × 19,929.60
  4. Step 4: Simplify right side
    35,522.40x = 1,062,136,074.24
  5. Step 5: Solve for x
    x = 1,062,136,074.24/35,522.40
  6. Step 6: Final answer
    x = 29,900.46

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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.