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Finding the Fourth Proportional to 64,014.18, 88,335 and 35,328.12

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Solution

The fourth proportional to 64,014.18, 88,335 and 35,328.12 is: 48,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,014.18 : 88,335 = 35,328.12 : x
  2. Step 2: Convert to fraction form
    64,014.18/88,335 = 35,328.12/x
  3. Step 3: Cross multiply
    64,014.18x = 88,335 × 35,328.12
  4. Step 4: Simplify right side
    64,014.18x = 3,120,709,480.20
  5. Step 5: Solve for x
    x = 3,120,709,480.20/64,014.18
  6. Step 6: Final answer
    x = 48,750.28

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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.