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Finding the Fourth Proportional to 63,528.40, 87,663 and 35,233.48

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Solution

The fourth proportional to 63,528.40, 87,663 and 35,233.48 is: 48,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,528.40 : 87,663 = 35,233.48 : x
  2. Step 2: Convert to fraction form
    63,528.40/87,663 = 35,233.48/x
  3. Step 3: Cross multiply
    63,528.40x = 87,663 × 35,233.48
  4. Step 4: Simplify right side
    63,528.40x = 3,088,672,557.24
  5. Step 5: Solve for x
    x = 3,088,672,557.24/63,528.40
  6. Step 6: Final answer
    x = 48,618.77

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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.