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Finding the Fourth Proportional to 63,813.40, 88,060.98 and 35,518.48

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Solution

The fourth proportional to 63,813.40, 88,060.98 and 35,518.48 is: 49,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,813.40 : 88,060.98 = 35,518.48 : x
  2. Step 2: Convert to fraction form
    63,813.40/88,060.98 = 35,518.48/x
  3. Step 3: Cross multiply
    63,813.40x = 88,060.98 × 35,518.48
  4. Step 4: Simplify right side
    63,813.40x = 3,127,792,156.91
  5. Step 5: Solve for x
    x = 3,127,792,156.91/63,813.40
  6. Step 6: Final answer
    x = 49,014.66

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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.