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Finding the Fourth Proportional to 56,368.84, 77,771.28 and 32,492.20

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Solution

The fourth proportional to 56,368.84, 77,771.28 and 32,492.20 is: 44,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,368.84 : 77,771.28 = 32,492.20 : x
  2. Step 2: Convert to fraction form
    56,368.84/77,771.28 = 32,492.20/x
  3. Step 3: Cross multiply
    56,368.84x = 77,771.28 × 32,492.20
  4. Step 4: Simplify right side
    56,368.84x = 2,526,959,984.02
  5. Step 5: Solve for x
    x = 2,526,959,984.02/56,368.84
  6. Step 6: Final answer
    x = 44,829.02

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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.