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Finding the Fourth Proportional to 70,409.36, 105,613.95 and 23,695.04

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Solution

The fourth proportional to 70,409.36, 105,613.95 and 23,695.04 is: 35,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,409.36 : 105,613.95 = 23,695.04 : x
  2. Step 2: Convert to fraction form
    70,409.36/105,613.95 = 23,695.04/x
  3. Step 3: Cross multiply
    70,409.36x = 105,613.95 × 23,695.04
  4. Step 4: Simplify right side
    70,409.36x = 2,502,526,769.81
  5. Step 5: Solve for x
    x = 2,502,526,769.81/70,409.36
  6. Step 6: Final answer
    x = 35,542.53

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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.