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Finding the Fourth Proportional to 18,378,528.40, 27,567,792.60 and 18,378,528.40

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Solution

The fourth proportional to 18,378,528.40, 27,567,792.60 and 18,378,528.40 is: 27,567,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,528.40 : 27,567,792.60 = 18,378,528.40 : x
  2. Step 2: Convert to fraction form
    18,378,528.40/27,567,792.60 = 18,378,528.40/x
  3. Step 3: Cross multiply
    18,378,528.40x = 27,567,792.60 × 18,378,528.40
  4. Step 4: Simplify right side
    18,378,528.40x = 506,655,459,224,409.81
  5. Step 5: Solve for x
    x = 506,655,459,224,409.81/18,378,528.40
  6. Step 6: Final answer
    x = 27,567,792.60

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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.