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Finding the Fourth Proportional to 61,357.61, 84,715.44 and 46,992.06

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Solution

The fourth proportional to 61,357.61, 84,715.44 and 46,992.06 is: 64,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357.61 : 84,715.44 = 46,992.06 : x
  2. Step 2: Convert to fraction form
    61,357.61/84,715.44 = 46,992.06/x
  3. Step 3: Cross multiply
    61,357.61x = 84,715.44 × 46,992.06
  4. Step 4: Simplify right side
    61,357.61x = 3,980,952,615.83
  5. Step 5: Solve for x
    x = 3,980,952,615.83/61,357.61
  6. Step 6: Final answer
    x = 64,881.16

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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.