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Finding the Fourth Proportional to 63,345.67, 87,403.14 and 37,848.21

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Solution

The fourth proportional to 63,345.67, 87,403.14 and 37,848.21 is: 52,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,345.67 : 87,403.14 = 37,848.21 : x
  2. Step 2: Convert to fraction form
    63,345.67/87,403.14 = 37,848.21/x
  3. Step 3: Cross multiply
    63,345.67x = 87,403.14 × 37,848.21
  4. Step 4: Simplify right side
    63,345.67x = 3,308,051,960.36
  5. Step 5: Solve for x
    x = 3,308,051,960.36/63,345.67
  6. Step 6: Final answer
    x = 52,222.23

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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.