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Finding the Fourth Proportional to 64,015.54, 88,275.90 and 42,497.71

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Solution

The fourth proportional to 64,015.54, 88,275.90 and 42,497.71 is: 58,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,015.54 : 88,275.90 = 42,497.71 : x
  2. Step 2: Convert to fraction form
    64,015.54/88,275.90 = 42,497.71/x
  3. Step 3: Cross multiply
    64,015.54x = 88,275.90 × 42,497.71
  4. Step 4: Simplify right side
    64,015.54x = 3,751,523,598.19
  5. Step 5: Solve for x
    x = 3,751,523,598.19/64,015.54
  6. Step 6: Final answer
    x = 58,603.33

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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.