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Finding the Fourth Proportional to 70,293.83, 105,440.74 and 35,225.28

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Solution

The fourth proportional to 70,293.83, 105,440.74 and 35,225.28 is: 52,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,293.83 : 105,440.74 = 35,225.28 : x
  2. Step 2: Convert to fraction form
    70,293.83/105,440.74 = 35,225.28/x
  3. Step 3: Cross multiply
    70,293.83x = 105,440.74 × 35,225.28
  4. Step 4: Simplify right side
    70,293.83x = 3,714,179,501.84
  5. Step 5: Solve for x
    x = 3,714,179,501.84/70,293.83
  6. Step 6: Final answer
    x = 52,837.92

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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.