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Finding the Fourth Proportional to 69,838.48, 96,310.10 and 46,920.08

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Solution

The fourth proportional to 69,838.48, 96,310.10 and 46,920.08 is: 64,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,838.48 : 96,310.10 = 46,920.08 : x
  2. Step 2: Convert to fraction form
    69,838.48/96,310.10 = 46,920.08/x
  3. Step 3: Cross multiply
    69,838.48x = 96,310.10 × 46,920.08
  4. Step 4: Simplify right side
    69,838.48x = 4,518,877,954.88
  5. Step 5: Solve for x
    x = 4,518,877,954.88/69,838.48
  6. Step 6: Final answer
    x = 64,704.70

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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.