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Finding the Fourth Proportional to 63,459.40, 87,574.56 and 35,165.68

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Solution

The fourth proportional to 63,459.40, 87,574.56 and 35,165.68 is: 48,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,459.40 : 87,574.56 = 35,165.68 : x
  2. Step 2: Convert to fraction form
    63,459.40/87,574.56 = 35,165.68/x
  3. Step 3: Cross multiply
    63,459.40x = 87,574.56 × 35,165.68
  4. Step 4: Simplify right side
    63,459.40x = 3,079,618,953.10
  5. Step 5: Solve for x
    x = 3,079,618,953.10/63,459.40
  6. Step 6: Final answer
    x = 48,528.96

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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.