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Finding the Fourth Proportional to 61,927.95, 85,460.54 and 35,070.45

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Solution

The fourth proportional to 61,927.95, 85,460.54 and 35,070.45 is: 48,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,927.95 : 85,460.54 = 35,070.45 : x
  2. Step 2: Convert to fraction form
    61,927.95/85,460.54 = 35,070.45/x
  3. Step 3: Cross multiply
    61,927.95x = 85,460.54 × 35,070.45
  4. Step 4: Simplify right side
    61,927.95x = 2,997,139,595.04
  5. Step 5: Solve for x
    x = 2,997,139,595.04/61,927.95
  6. Step 6: Final answer
    x = 48,397.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.