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Finding the Fourth Proportional to 56,124.84, 77,420.88 and 35,669.16

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Solution

The fourth proportional to 56,124.84, 77,420.88 and 35,669.16 is: 49,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,124.84 : 77,420.88 = 35,669.16 : x
  2. Step 2: Convert to fraction form
    56,124.84/77,420.88 = 35,669.16/x
  3. Step 3: Cross multiply
    56,124.84x = 77,420.88 × 35,669.16
  4. Step 4: Simplify right side
    56,124.84x = 2,761,537,756.06
  5. Step 5: Solve for x
    x = 2,761,537,756.06/56,124.84
  6. Step 6: Final answer
    x = 49,203.49

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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.