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Finding the Fourth Proportional to 49,374.88, 74,068.80 and 14,313.76

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Solution

The fourth proportional to 49,374.88, 74,068.80 and 14,313.76 is: 21,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,374.88 : 74,068.80 = 14,313.76 : x
  2. Step 2: Convert to fraction form
    49,374.88/74,068.80 = 14,313.76/x
  3. Step 3: Cross multiply
    49,374.88x = 74,068.80 × 14,313.76
  4. Step 4: Simplify right side
    49,374.88x = 1,060,203,026.69
  5. Step 5: Solve for x
    x = 1,060,203,026.69/49,374.88
  6. Step 6: Final answer
    x = 21,472.52

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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.