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Finding the Fourth Proportional to 70,295.34, 105,444.23 and 25,899.24

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Solution

The fourth proportional to 70,295.34, 105,444.23 and 25,899.24 is: 38,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295.34 : 105,444.23 = 25,899.24 : x
  2. Step 2: Convert to fraction form
    70,295.34/105,444.23 = 25,899.24/x
  3. Step 3: Cross multiply
    70,295.34x = 105,444.23 × 25,899.24
  4. Step 4: Simplify right side
    70,295.34x = 2,730,925,419.39
  5. Step 5: Solve for x
    x = 2,730,925,419.39/70,295.34
  6. Step 6: Final answer
    x = 38,849.31

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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.