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Finding the Fourth Proportional to 63,312, 87,364.70 and 35,017.08

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Solution

The fourth proportional to 63,312, 87,364.70 and 35,017.08 is: 48,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,312 : 87,364.70 = 35,017.08 : x
  2. Step 2: Convert to fraction form
    63,312/87,364.70 = 35,017.08/x
  3. Step 3: Cross multiply
    63,312x = 87,364.70 × 35,017.08
  4. Step 4: Simplify right side
    63,312x = 3,059,256,689.08
  5. Step 5: Solve for x
    x = 3,059,256,689.08/63,312
  6. Step 6: Final answer
    x = 48,320.33

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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.