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Finding the Fourth Proportional to 64,707.32, 97,193.82 and 42,552.20

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Solution

The fourth proportional to 64,707.32, 97,193.82 and 42,552.20 is: 63,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.32 : 97,193.82 = 42,552.20 : x
  2. Step 2: Convert to fraction form
    64,707.32/97,193.82 = 42,552.20/x
  3. Step 3: Cross multiply
    64,707.32x = 97,193.82 × 42,552.20
  4. Step 4: Simplify right side
    64,707.32x = 4,135,810,867.40
  5. Step 5: Solve for x
    x = 4,135,810,867.40/64,707.32
  6. Step 6: Final answer
    x = 63,915.66

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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.