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Finding the Fourth Proportional to 10,571,587.40, 14,830,082.20 and 10,571,587.40

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Solution

The fourth proportional to 10,571,587.40, 14,830,082.20 and 10,571,587.40 is: 14,830,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,587.40 : 14,830,082.20 = 10,571,587.40 : x
  2. Step 2: Convert to fraction form
    10,571,587.40/14,830,082.20 = 10,571,587.40/x
  3. Step 3: Cross multiply
    10,571,587.40x = 14,830,082.20 × 10,571,587.40
  4. Step 4: Simplify right side
    10,571,587.40x = 156,777,510,126,484.28
  5. Step 5: Solve for x
    x = 156,777,510,126,484.28/10,571,587.40
  6. Step 6: Final answer
    x = 14,830,082.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.