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Finding the Fourth Proportional to 61,703.52, 85,146.01 and 34,848.69

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Solution

The fourth proportional to 61,703.52, 85,146.01 and 34,848.69 is: 48,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703.52 : 85,146.01 = 34,848.69 : x
  2. Step 2: Convert to fraction form
    61,703.52/85,146.01 = 34,848.69/x
  3. Step 3: Cross multiply
    61,703.52x = 85,146.01 × 34,848.69
  4. Step 4: Simplify right side
    61,703.52x = 2,967,226,820.11
  5. Step 5: Solve for x
    x = 2,967,226,820.11/61,703.52
  6. Step 6: Final answer
    x = 48,088.45

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1.5x scale

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.