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Finding the Fourth Proportional to 58,696.59, 88,041.65 and 42,917.79

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Solution

The fourth proportional to 58,696.59, 88,041.65 and 42,917.79 is: 64,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,696.59 : 88,041.65 = 42,917.79 : x
  2. Step 2: Convert to fraction form
    58,696.59/88,041.65 = 42,917.79/x
  3. Step 3: Cross multiply
    58,696.59x = 88,041.65 × 42,917.79
  4. Step 4: Simplify right side
    58,696.59x = 3,778,552,831.36
  5. Step 5: Solve for x
    x = 3,778,552,831.36/58,696.59
  6. Step 6: Final answer
    x = 64,374.32

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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.