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Finding the Fourth Proportional to 63,016.40, 86,962.48 and 34,722.09

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Solution

The fourth proportional to 63,016.40, 86,962.48 and 34,722.09 is: 47,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,016.40 : 86,962.48 = 34,722.09 : x
  2. Step 2: Convert to fraction form
    63,016.40/86,962.48 = 34,722.09/x
  3. Step 3: Cross multiply
    63,016.40x = 86,962.48 × 34,722.09
  4. Step 4: Simplify right side
    63,016.40x = 3,019,518,970.38
  5. Step 5: Solve for x
    x = 3,019,518,970.38/63,016.40
  6. Step 6: Final answer
    x = 47,916.40

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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.