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Finding the Fourth Proportional to 60,440.56, 90,609 and 23,484.40

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Solution

The fourth proportional to 60,440.56, 90,609 and 23,484.40 is: 35,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,440.56 : 90,609 = 23,484.40 : x
  2. Step 2: Convert to fraction form
    60,440.56/90,609 = 23,484.40/x
  3. Step 3: Cross multiply
    60,440.56x = 90,609 × 23,484.40
  4. Step 4: Simplify right side
    60,440.56x = 2,127,897,999.60
  5. Step 5: Solve for x
    x = 2,127,897,999.60/60,440.56
  6. Step 6: Final answer
    x = 35,206.46

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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.