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Finding the Fourth Proportional to 53,124.78, 79,298.48 and 46,819.30

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Solution

The fourth proportional to 53,124.78, 79,298.48 and 46,819.30 is: 69,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,124.78 : 79,298.48 = 46,819.30 : x
  2. Step 2: Convert to fraction form
    53,124.78/79,298.48 = 46,819.30/x
  3. Step 3: Cross multiply
    53,124.78x = 79,298.48 × 46,819.30
  4. Step 4: Simplify right side
    53,124.78x = 3,712,699,324.66
  5. Step 5: Solve for x
    x = 3,712,699,324.66/53,124.78
  6. Step 6: Final answer
    x = 69,886.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.