Finding the Fourth Proportional to 26,576,763.60, 39,865,145.40 and 26,324,821.20
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Solution
The fourth proportional to 26,576,763.60, 39,865,145.40 and 26,324,821.20 is: 39,487,231.80
Step by Step Solution
- Step 1: Write the proportion equation
26,576,763.60 : 39,865,145.40 = 26,324,821.20 : x - Step 2: Convert to fraction form
26,576,763.60/39,865,145.40 = 26,324,821.20/x - Step 3: Cross multiply
26,576,763.60x = 39,865,145.40 × 26,324,821.20 - Step 4: Simplify right side
26,576,763.60x = 1,049,442,824,767,002.38 - Step 5: Solve for x
x = 1,049,442,824,767,002.38/26,576,763.60 - Step 6: Final answer
x = 39,487,231.80
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.