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Finding the Fourth Proportional to 69,931, 96,505.32 and 38,099.08

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Solution

The fourth proportional to 69,931, 96,505.32 and 38,099.08 is: 52,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931 : 96,505.32 = 38,099.08 : x
  2. Step 2: Convert to fraction form
    69,931/96,505.32 = 38,099.08/x
  3. Step 3: Cross multiply
    69,931x = 96,505.32 × 38,099.08
  4. Step 4: Simplify right side
    69,931x = 3,676,763,907.11
  5. Step 5: Solve for x
    x = 3,676,763,907.11/69,931
  6. Step 6: Final answer
    x = 52,577.02

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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.