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Finding the Fourth Proportional to 70,633.90, 97,474.42 and 38,368.26

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Solution

The fourth proportional to 70,633.90, 97,474.42 and 38,368.26 is: 52,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,633.90 : 97,474.42 = 38,368.26 : x
  2. Step 2: Convert to fraction form
    70,633.90/97,474.42 = 38,368.26/x
  3. Step 3: Cross multiply
    70,633.90x = 97,474.42 × 38,368.26
  4. Step 4: Simplify right side
    70,633.90x = 3,739,923,889.91
  5. Step 5: Solve for x
    x = 3,739,923,889.91/70,633.90
  6. Step 6: Final answer
    x = 52,948.00

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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.