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Finding the Fourth Proportional to 70,467.64, 97,245.48 and 38,637.08

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Solution

The fourth proportional to 70,467.64, 97,245.48 and 38,637.08 is: 53,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,467.64 : 97,245.48 = 38,637.08 : x
  2. Step 2: Convert to fraction form
    70,467.64/97,245.48 = 38,637.08/x
  3. Step 3: Cross multiply
    70,467.64x = 97,245.48 × 38,637.08
  4. Step 4: Simplify right side
    70,467.64x = 3,757,281,390.40
  5. Step 5: Solve for x
    x = 3,757,281,390.40/70,467.64
  6. Step 6: Final answer
    x = 53,319.25

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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.