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Finding the Fourth Proportional to 13,235,592.40, 18,492,038 and 13,235,592.40

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Solution

The fourth proportional to 13,235,592.40, 18,492,038 and 13,235,592.40 is: 18,492,038

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,592.40 : 18,492,038 = 13,235,592.40 : x
  2. Step 2: Convert to fraction form
    13,235,592.40/18,492,038 = 13,235,592.40/x
  3. Step 3: Cross multiply
    13,235,592.40x = 18,492,038 × 13,235,592.40
  4. Step 4: Simplify right side
    13,235,592.40x = 244,753,077,613,311.22
  5. Step 5: Solve for x
    x = 244,753,077,613,311.22/13,235,592.40
  6. Step 6: Final answer
    x = 18,492,038

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.