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Finding the Fourth Proportional to 70,853.72, 97,785.03 and 52,917.59

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Solution

The fourth proportional to 70,853.72, 97,785.03 and 52,917.59 is: 73,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853.72 : 97,785.03 = 52,917.59 : x
  2. Step 2: Convert to fraction form
    70,853.72/97,785.03 = 52,917.59/x
  3. Step 3: Cross multiply
    70,853.72x = 97,785.03 × 52,917.59
  4. Step 4: Simplify right side
    70,853.72x = 5,174,547,636.75
  5. Step 5: Solve for x
    x = 5,174,547,636.75/70,853.72
  6. Step 6: Final answer
    x = 73,031.42

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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.