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Finding the Fourth Proportional to 62,585.60, 93,905.40 and 36,312.80

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Solution

The fourth proportional to 62,585.60, 93,905.40 and 36,312.80 is: 54,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,585.60 : 93,905.40 = 36,312.80 : x
  2. Step 2: Convert to fraction form
    62,585.60/93,905.40 = 36,312.80/x
  3. Step 3: Cross multiply
    62,585.60x = 93,905.40 × 36,312.80
  4. Step 4: Simplify right side
    62,585.60x = 3,409,968,009.12
  5. Step 5: Solve for x
    x = 3,409,968,009.12/62,585.60
  6. Step 6: Final answer
    x = 54,484.87

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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.