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Finding the Fourth Proportional to 29,038.60, 40,602.20 and 29,038.60

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Solution

The fourth proportional to 29,038.60, 40,602.20 and 29,038.60 is: 40,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,038.60 : 40,602.20 = 29,038.60 : x
  2. Step 2: Convert to fraction form
    29,038.60/40,602.20 = 29,038.60/x
  3. Step 3: Cross multiply
    29,038.60x = 40,602.20 × 29,038.60
  4. Step 4: Simplify right side
    29,038.60x = 1,179,031,044.92
  5. Step 5: Solve for x
    x = 1,179,031,044.92/29,038.60
  6. Step 6: Final answer
    x = 40,602.20

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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.