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Finding the Fourth Proportional to 75,033, 103,547.46 and 45,226.92

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Solution

The fourth proportional to 75,033, 103,547.46 and 45,226.92 is: 62,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,033 : 103,547.46 = 45,226.92 : x
  2. Step 2: Convert to fraction form
    75,033/103,547.46 = 45,226.92/x
  3. Step 3: Cross multiply
    75,033x = 103,547.46 × 45,226.92
  4. Step 4: Simplify right side
    75,033x = 4,683,132,689.62
  5. Step 5: Solve for x
    x = 4,683,132,689.62/75,033
  6. Step 6: Final answer
    x = 62,414.31

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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.