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Finding the Fourth Proportional to 63,888.74, 88,173.02 and 38,403.35

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Solution

The fourth proportional to 63,888.74, 88,173.02 and 38,403.35 is: 53,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888.74 : 88,173.02 = 38,403.35 : x
  2. Step 2: Convert to fraction form
    63,888.74/88,173.02 = 38,403.35/x
  3. Step 3: Cross multiply
    63,888.74x = 88,173.02 × 38,403.35
  4. Step 4: Simplify right side
    63,888.74x = 3,386,139,347.62
  5. Step 5: Solve for x
    x = 3,386,139,347.62/63,888.74
  6. Step 6: Final answer
    x = 53,000.57

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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.