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Finding the Fourth Proportional to 40,564.40, 60,904.20 and 25,012.40

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Solution

The fourth proportional to 40,564.40, 60,904.20 and 25,012.40 is: 37,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564.40 : 60,904.20 = 25,012.40 : x
  2. Step 2: Convert to fraction form
    40,564.40/60,904.20 = 25,012.40/x
  3. Step 3: Cross multiply
    40,564.40x = 60,904.20 × 25,012.40
  4. Step 4: Simplify right side
    40,564.40x = 1,523,360,212.08
  5. Step 5: Solve for x
    x = 1,523,360,212.08/40,564.40
  6. Step 6: Final answer
    x = 37,554.12

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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.