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Finding the Fourth Proportional to 70,275.84, 105,403.68 and 23,529.12

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Solution

The fourth proportional to 70,275.84, 105,403.68 and 23,529.12 is: 35,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,275.84 : 105,403.68 = 23,529.12 : x
  2. Step 2: Convert to fraction form
    70,275.84/105,403.68 = 23,529.12/x
  3. Step 3: Cross multiply
    70,275.84x = 105,403.68 × 23,529.12
  4. Step 4: Simplify right side
    70,275.84x = 2,480,055,835.16
  5. Step 5: Solve for x
    x = 2,480,055,835.16/70,275.84
  6. Step 6: Final answer
    x = 35,290.31

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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.