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Finding the Fourth Proportional to 64,523.61, 89,101.35 and 48,580.38

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Solution

The fourth proportional to 64,523.61, 89,101.35 and 48,580.38 is: 67,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,523.61 : 89,101.35 = 48,580.38 : x
  2. Step 2: Convert to fraction form
    64,523.61/89,101.35 = 48,580.38/x
  3. Step 3: Cross multiply
    64,523.61x = 89,101.35 × 48,580.38
  4. Step 4: Simplify right side
    64,523.61x = 4,328,577,441.51
  5. Step 5: Solve for x
    x = 4,328,577,441.51/64,523.61
  6. Step 6: Final answer
    x = 67,085.17

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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.