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Finding the Fourth Proportional to 73,965.80, 110,948.70 and 34,526.90

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Solution

The fourth proportional to 73,965.80, 110,948.70 and 34,526.90 is: 51,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,965.80 : 110,948.70 = 34,526.90 : x
  2. Step 2: Convert to fraction form
    73,965.80/110,948.70 = 34,526.90/x
  3. Step 3: Cross multiply
    73,965.80x = 110,948.70 × 34,526.90
  4. Step 4: Simplify right side
    73,965.80x = 3,830,714,670.03
  5. Step 5: Solve for x
    x = 3,830,714,670.03/73,965.80
  6. Step 6: Final answer
    x = 51,790.35

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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.