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Finding the Fourth Proportional to 48,492.54, 66,897.11 and 31,495.58

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Solution

The fourth proportional to 48,492.54, 66,897.11 and 31,495.58 is: 43,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492.54 : 66,897.11 = 31,495.58 : x
  2. Step 2: Convert to fraction form
    48,492.54/66,897.11 = 31,495.58/x
  3. Step 3: Cross multiply
    48,492.54x = 66,897.11 × 31,495.58
  4. Step 4: Simplify right side
    48,492.54x = 2,106,963,279.77
  5. Step 5: Solve for x
    x = 2,106,963,279.77/48,492.54
  6. Step 6: Final answer
    x = 43,449.22

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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.