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Finding the Fourth Proportional to 45,495,638, 68,243,457 and 15,203,501

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Solution

The fourth proportional to 45,495,638, 68,243,457 and 15,203,501 is: 22,805,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,495,638 : 68,243,457 = 15,203,501 : x
  2. Step 2: Convert to fraction form
    45,495,638/68,243,457 = 15,203,501/x
  3. Step 3: Cross multiply
    45,495,638x = 68,243,457 × 15,203,501
  4. Step 4: Simplify right side
    45,495,638x = 1,037,539,466,742,957
  5. Step 5: Solve for x
    x = 1,037,539,466,742,957/45,495,638
  6. Step 6: Final answer
    x = 22,805,251.50

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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.