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Finding the Fourth Proportional to 56,381.61, 77,805.59 and 32,509.29

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Solution

The fourth proportional to 56,381.61, 77,805.59 and 32,509.29 is: 44,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,381.61 : 77,805.59 = 32,509.29 : x
  2. Step 2: Convert to fraction form
    56,381.61/77,805.59 = 32,509.29/x
  3. Step 3: Cross multiply
    56,381.61x = 77,805.59 × 32,509.29
  4. Step 4: Simplify right side
    56,381.61x = 2,529,404,326.38
  5. Step 5: Solve for x
    x = 2,529,404,326.38/56,381.61
  6. Step 6: Final answer
    x = 44,862.22

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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.