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Finding the Fourth Proportional to 48,492.48, 66,957.28 and 37,863.68

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Solution

The fourth proportional to 48,492.48, 66,957.28 and 37,863.68 is: 52,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492.48 : 66,957.28 = 37,863.68 : x
  2. Step 2: Convert to fraction form
    48,492.48/66,957.28 = 37,863.68/x
  3. Step 3: Cross multiply
    48,492.48x = 66,957.28 × 37,863.68
  4. Step 4: Simplify right side
    48,492.48x = 2,535,249,023.59
  5. Step 5: Solve for x
    x = 2,535,249,023.59/48,492.48
  6. Step 6: Final answer
    x = 52,281.28

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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.