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Finding the Fourth Proportional to 8,674,678.80, 11,971,126.08 and 4,807,264.14

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Solution

The fourth proportional to 8,674,678.80, 11,971,126.08 and 4,807,264.14 is: 6,634,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674,678.80 : 11,971,126.08 = 4,807,264.14 : x
  2. Step 2: Convert to fraction form
    8,674,678.80/11,971,126.08 = 4,807,264.14/x
  3. Step 3: Cross multiply
    8,674,678.80x = 11,971,126.08 × 4,807,264.14
  4. Step 4: Simplify right side
    8,674,678.80x = 57,548,365,119,802.77
  5. Step 5: Solve for x
    x = 57,548,365,119,802.77/8,674,678.80
  6. Step 6: Final answer
    x = 6,634,062.94

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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.