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Finding the Fourth Proportional to 56,188.72, 77,555.88 and 34,955.32

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Solution

The fourth proportional to 56,188.72, 77,555.88 and 34,955.32 is: 48,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,188.72 : 77,555.88 = 34,955.32 : x
  2. Step 2: Convert to fraction form
    56,188.72/77,555.88 = 34,955.32/x
  3. Step 3: Cross multiply
    56,188.72x = 77,555.88 × 34,955.32
  4. Step 4: Simplify right side
    56,188.72x = 2,710,990,603.28
  5. Step 5: Solve for x
    x = 2,710,990,603.28/56,188.72
  6. Step 6: Final answer
    x = 48,247.95

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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.