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Finding the Fourth Proportional to 61,505.40, 92,258.10 and 30,401.40

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Solution

The fourth proportional to 61,505.40, 92,258.10 and 30,401.40 is: 45,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,505.40 : 92,258.10 = 30,401.40 : x
  2. Step 2: Convert to fraction form
    61,505.40/92,258.10 = 30,401.40/x
  3. Step 3: Cross multiply
    61,505.40x = 92,258.10 × 30,401.40
  4. Step 4: Simplify right side
    61,505.40x = 2,804,775,401.34
  5. Step 5: Solve for x
    x = 2,804,775,401.34/61,505.40
  6. Step 6: Final answer
    x = 45,602.10

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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.