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Finding the Fourth Proportional to 53,071.65, 79,607.70 and 50,411.10

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Solution

The fourth proportional to 53,071.65, 79,607.70 and 50,411.10 is: 75,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,071.65 : 79,607.70 = 50,411.10 : x
  2. Step 2: Convert to fraction form
    53,071.65/79,607.70 = 50,411.10/x
  3. Step 3: Cross multiply
    53,071.65x = 79,607.70 × 50,411.10
  4. Step 4: Simplify right side
    53,071.65x = 4,013,111,725.47
  5. Step 5: Solve for x
    x = 4,013,111,725.47/53,071.65
  6. Step 6: Final answer
    x = 75,616.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.