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Finding the Fourth Proportional to 75,064.02, 112,596.09 and 18,904.14

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Solution

The fourth proportional to 75,064.02, 112,596.09 and 18,904.14 is: 28,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,064.02 : 112,596.09 = 18,904.14 : x
  2. Step 2: Convert to fraction form
    75,064.02/112,596.09 = 18,904.14/x
  3. Step 3: Cross multiply
    75,064.02x = 112,596.09 × 18,904.14
  4. Step 4: Simplify right side
    75,064.02x = 2,128,532,248.81
  5. Step 5: Solve for x
    x = 2,128,532,248.81/75,064.02
  6. Step 6: Final answer
    x = 28,356.23

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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.