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Finding the Fourth Proportional to 46,776.78, 70,209.53 and 28,953.52

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Solution

The fourth proportional to 46,776.78, 70,209.53 and 28,953.52 is: 43,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,776.78 : 70,209.53 = 28,953.52 : x
  2. Step 2: Convert to fraction form
    46,776.78/70,209.53 = 28,953.52/x
  3. Step 3: Cross multiply
    46,776.78x = 70,209.53 × 28,953.52
  4. Step 4: Simplify right side
    46,776.78x = 2,032,812,974.04
  5. Step 5: Solve for x
    x = 2,032,812,974.04/46,776.78
  6. Step 6: Final answer
    x = 43,457.74

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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.