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Finding the Fourth Proportional to 70,577.42, 97,392.46 and 38,746.12

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Solution

The fourth proportional to 70,577.42, 97,392.46 and 38,746.12 is: 53,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,577.42 : 97,392.46 = 38,746.12 : x
  2. Step 2: Convert to fraction form
    70,577.42/97,392.46 = 38,746.12/x
  3. Step 3: Cross multiply
    70,577.42x = 97,392.46 × 38,746.12
  4. Step 4: Simplify right side
    70,577.42x = 3,773,579,942.26
  5. Step 5: Solve for x
    x = 3,773,579,942.26/70,577.42
  6. Step 6: Final answer
    x = 53,467.24

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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.