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Finding the Fourth Proportional to 70,637.33, 105,992.33 and 39,041.51

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Solution

The fourth proportional to 70,637.33, 105,992.33 and 39,041.51 is: 58,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.33 : 105,992.33 = 39,041.51 : x
  2. Step 2: Convert to fraction form
    70,637.33/105,992.33 = 39,041.51/x
  3. Step 3: Cross multiply
    70,637.33x = 105,992.33 × 39,041.51
  4. Step 4: Simplify right side
    70,637.33x = 4,138,099,886.45
  5. Step 5: Solve for x
    x = 4,138,099,886.45/70,637.33
  6. Step 6: Final answer
    x = 58,582.34

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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.