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Finding the Fourth Proportional to 55,661.60, 83,492.40 and 49,246.40

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Solution

The fourth proportional to 55,661.60, 83,492.40 and 49,246.40 is: 73,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.60 : 83,492.40 = 49,246.40 : x
  2. Step 2: Convert to fraction form
    55,661.60/83,492.40 = 49,246.40/x
  3. Step 3: Cross multiply
    55,661.60x = 83,492.40 × 49,246.40
  4. Step 4: Simplify right side
    55,661.60x = 4,111,700,127.36
  5. Step 5: Solve for x
    x = 4,111,700,127.36/55,661.60
  6. Step 6: Final answer
    x = 73,869.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.