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Finding the Fourth Proportional to 66,967.84, 92,428.36 and 44,307.28

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Solution

The fourth proportional to 66,967.84, 92,428.36 and 44,307.28 is: 61,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,967.84 : 92,428.36 = 44,307.28 : x
  2. Step 2: Convert to fraction form
    66,967.84/92,428.36 = 44,307.28/x
  3. Step 3: Cross multiply
    66,967.84x = 92,428.36 × 44,307.28
  4. Step 4: Simplify right side
    66,967.84x = 4,095,249,226.46
  5. Step 5: Solve for x
    x = 4,095,249,226.46/66,967.84
  6. Step 6: Final answer
    x = 61,152.48

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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.