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Finding the Fourth Proportional to 63,505.80, 87,637.86 and 35,210.76

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Solution

The fourth proportional to 63,505.80, 87,637.86 and 35,210.76 is: 48,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,505.80 : 87,637.86 = 35,210.76 : x
  2. Step 2: Convert to fraction form
    63,505.80/87,637.86 = 35,210.76/x
  3. Step 3: Cross multiply
    63,505.80x = 87,637.86 × 35,210.76
  4. Step 4: Simplify right side
    63,505.80x = 3,085,795,655.37
  5. Step 5: Solve for x
    x = 3,085,795,655.37/63,505.80
  6. Step 6: Final answer
    x = 48,590.77

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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.