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Finding the Fourth Proportional to 63,997.50, 88,316.55 and 35,703.18

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Solution

The fourth proportional to 63,997.50, 88,316.55 and 35,703.18 is: 49,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,997.50 : 88,316.55 = 35,703.18 : x
  2. Step 2: Convert to fraction form
    63,997.50/88,316.55 = 35,703.18/x
  3. Step 3: Cross multiply
    63,997.50x = 88,316.55 × 35,703.18
  4. Step 4: Simplify right side
    63,997.50x = 3,153,181,681.63
  5. Step 5: Solve for x
    x = 3,153,181,681.63/63,997.50
  6. Step 6: Final answer
    x = 49,270.39

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Double scale
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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.