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Finding the Fourth Proportional to 70,347.42, 97,079.72 and 38,516.04

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Solution

The fourth proportional to 70,347.42, 97,079.72 and 38,516.04 is: 53,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.42 : 97,079.72 = 38,516.04 : x
  2. Step 2: Convert to fraction form
    70,347.42/97,079.72 = 38,516.04/x
  3. Step 3: Cross multiply
    70,347.42x = 97,079.72 × 38,516.04
  4. Step 4: Simplify right side
    70,347.42x = 3,739,126,186.13
  5. Step 5: Solve for x
    x = 3,739,126,186.13/70,347.42
  6. Step 6: Final answer
    x = 53,152.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.