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Finding the Fourth Proportional to 49,574.60, 74,354.70 and 14,510.60

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Solution

The fourth proportional to 49,574.60, 74,354.70 and 14,510.60 is: 21,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,574.60 : 74,354.70 = 14,510.60 : x
  2. Step 2: Convert to fraction form
    49,574.60/74,354.70 = 14,510.60/x
  3. Step 3: Cross multiply
    49,574.60x = 74,354.70 × 14,510.60
  4. Step 4: Simplify right side
    49,574.60x = 1,078,931,309.82
  5. Step 5: Solve for x
    x = 1,078,931,309.82/49,574.60
  6. Step 6: Final answer
    x = 21,763.79

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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.