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Finding the Fourth Proportional to 62,585.64, 93,870.58 and 20,462.20

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Solution

The fourth proportional to 62,585.64, 93,870.58 and 20,462.20 is: 30,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,585.64 : 93,870.58 = 20,462.20 : x
  2. Step 2: Convert to fraction form
    62,585.64/93,870.58 = 20,462.20/x
  3. Step 3: Cross multiply
    62,585.64x = 93,870.58 × 20,462.20
  4. Step 4: Simplify right side
    62,585.64x = 1,920,798,582.08
  5. Step 5: Solve for x
    x = 1,920,798,582.08/62,585.64
  6. Step 6: Final answer
    x = 30,690.72

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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.