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Finding the Fourth Proportional to 25,598.53, 38,404.28 and 7,130.53

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Solution

The fourth proportional to 25,598.53, 38,404.28 and 7,130.53 is: 10,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,598.53 : 38,404.28 = 7,130.53 : x
  2. Step 2: Convert to fraction form
    25,598.53/38,404.28 = 7,130.53/x
  3. Step 3: Cross multiply
    25,598.53x = 38,404.28 × 7,130.53
  4. Step 4: Simplify right side
    25,598.53x = 273,842,896.39
  5. Step 5: Solve for x
    x = 273,842,896.39/25,598.53
  6. Step 6: Final answer
    x = 10,697.60

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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.