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Finding the Fourth Proportional to 58,802.86, 81,148.08 and 31,945.15

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Solution

The fourth proportional to 58,802.86, 81,148.08 and 31,945.15 is: 44,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,802.86 : 81,148.08 = 31,945.15 : x
  2. Step 2: Convert to fraction form
    58,802.86/81,148.08 = 31,945.15/x
  3. Step 3: Cross multiply
    58,802.86x = 81,148.08 × 31,945.15
  4. Step 4: Simplify right side
    58,802.86x = 2,592,287,587.81
  5. Step 5: Solve for x
    x = 2,592,287,587.81/58,802.86
  6. Step 6: Final answer
    x = 44,084.38

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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.