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Finding the Fourth Proportional to 45,507.71, 68,292.32 and 15,925.80

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Solution

The fourth proportional to 45,507.71, 68,292.32 and 15,925.80 is: 23,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.71 : 68,292.32 = 15,925.80 : x
  2. Step 2: Convert to fraction form
    45,507.71/68,292.32 = 15,925.80/x
  3. Step 3: Cross multiply
    45,507.71x = 68,292.32 × 15,925.80
  4. Step 4: Simplify right side
    45,507.71x = 1,087,609,829.86
  5. Step 5: Solve for x
    x = 1,087,609,829.86/45,507.71
  6. Step 6: Final answer
    x = 23,899.46

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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.