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Finding the Fourth Proportional to 70,637.00, 105,830.96 and 37,283.58

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Solution

The fourth proportional to 70,637.00, 105,830.96 and 37,283.58 is: 55,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.00 : 105,830.96 = 37,283.58 : x
  2. Step 2: Convert to fraction form
    70,637.00/105,830.96 = 37,283.58/x
  3. Step 3: Cross multiply
    70,637.00x = 105,830.96 × 37,283.58
  4. Step 4: Simplify right side
    70,637.00x = 3,945,756,877.22
  5. Step 5: Solve for x
    x = 3,945,756,877.22/70,637.00
  6. Step 6: Final answer
    x = 55,859.64

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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.