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Finding the Fourth Proportional to 25,124.40, 37,643.40 and 13,260.60

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Solution

The fourth proportional to 25,124.40, 37,643.40 and 13,260.60 is: 19,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124.40 : 37,643.40 = 13,260.60 : x
  2. Step 2: Convert to fraction form
    25,124.40/37,643.40 = 13,260.60/x
  3. Step 3: Cross multiply
    25,124.40x = 37,643.40 × 13,260.60
  4. Step 4: Simplify right side
    25,124.40x = 499,174,070.04
  5. Step 5: Solve for x
    x = 499,174,070.04/25,124.40
  6. Step 6: Final answer
    x = 19,868.10

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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.