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Finding the Fourth Proportional to 70,574.62, 97,392.81 and 38,742.82

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Solution

The fourth proportional to 70,574.62, 97,392.81 and 38,742.82 is: 53,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,574.62 : 97,392.81 = 38,742.82 : x
  2. Step 2: Convert to fraction form
    70,574.62/97,392.81 = 38,742.82/x
  3. Step 3: Cross multiply
    70,574.62x = 97,392.81 × 38,742.82
  4. Step 4: Simplify right side
    70,574.62x = 3,773,272,107.12
  5. Step 5: Solve for x
    x = 3,773,272,107.12/70,574.62
  6. Step 6: Final answer
    x = 53,465.00

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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.