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Finding the Fourth Proportional to 61,303.63, 91,990.99 and 25,762.15

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Solution

The fourth proportional to 61,303.63, 91,990.99 and 25,762.15 is: 38,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,303.63 : 91,990.99 = 25,762.15 : x
  2. Step 2: Convert to fraction form
    61,303.63/91,990.99 = 25,762.15/x
  3. Step 3: Cross multiply
    61,303.63x = 91,990.99 × 25,762.15
  4. Step 4: Simplify right side
    61,303.63x = 2,369,885,683.03
  5. Step 5: Solve for x
    x = 2,369,885,683.03/61,303.63
  6. Step 6: Final answer
    x = 38,658.16

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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.