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Finding the Fourth Proportional to 61,802.60, 85,287.04 and 34,950.38

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Solution

The fourth proportional to 61,802.60, 85,287.04 and 34,950.38 is: 48,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,802.60 : 85,287.04 = 34,950.38 : x
  2. Step 2: Convert to fraction form
    61,802.60/85,287.04 = 34,950.38/x
  3. Step 3: Cross multiply
    61,802.60x = 85,287.04 × 34,950.38
  4. Step 4: Simplify right side
    61,802.60x = 2,980,814,457.08
  5. Step 5: Solve for x
    x = 2,980,814,457.08/61,802.60
  6. Step 6: Final answer
    x = 48,231.21

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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.