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Finding the Fourth Proportional to 32,703.86, 45,130.90 and 19,275.68

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Solution

The fourth proportional to 32,703.86, 45,130.90 and 19,275.68 is: 26,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,703.86 : 45,130.90 = 19,275.68 : x
  2. Step 2: Convert to fraction form
    32,703.86/45,130.90 = 19,275.68/x
  3. Step 3: Cross multiply
    32,703.86x = 45,130.90 × 19,275.68
  4. Step 4: Simplify right side
    32,703.86x = 869,928,786.51
  5. Step 5: Solve for x
    x = 869,928,786.51/32,703.86
  6. Step 6: Final answer
    x = 26,600.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.