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Finding the Fourth Proportional to 63,009.69, 86,953.32 and 34,715.38

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Solution

The fourth proportional to 63,009.69, 86,953.32 and 34,715.38 is: 47,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.69 : 86,953.32 = 34,715.38 : x
  2. Step 2: Convert to fraction form
    63,009.69/86,953.32 = 34,715.38/x
  3. Step 3: Cross multiply
    63,009.69x = 86,953.32 × 34,715.38
  4. Step 4: Simplify right side
    63,009.69x = 3,018,617,546.06
  5. Step 5: Solve for x
    x = 3,018,617,546.06/63,009.69
  6. Step 6: Final answer
    x = 47,907.20

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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.