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Finding the Fourth Proportional to 70,417.06, 105,620.46 and 26,023.12

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Solution

The fourth proportional to 70,417.06, 105,620.46 and 26,023.12 is: 39,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,417.06 : 105,620.46 = 26,023.12 : x
  2. Step 2: Convert to fraction form
    70,417.06/105,620.46 = 26,023.12/x
  3. Step 3: Cross multiply
    70,417.06x = 105,620.46 × 26,023.12
  4. Step 4: Simplify right side
    70,417.06x = 2,748,573,905.04
  5. Step 5: Solve for x
    x = 2,748,573,905.04/70,417.06
  6. Step 6: Final answer
    x = 39,032.78

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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.